1000726488 has 192 divisors, whose sum is σ = 3014444160. Its totient is φ = 309920256.

The previous prime is 1000726477. The next prime is 1000726499. The reversal of 1000726488 is 8846270001.

1000726488 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 7 + 2 + 648 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1000726477) and next prime (1000726499).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3535995 + ... + 3536277.

It is an arithmetic number, because the mean of its divisors is an integer number (15700230).

Almost surely, 2^1000726488 is an apocalyptic number.

1000726488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000726488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507222080).

1000726488 is an abundant number, since it is smaller than the sum of its proper divisors (2013717672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000726488 is a wasteful number, since it uses less digits than its factorization.

1000726488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1000726488 is about 31634.2613000525. The cubic root of 1000726488 is about 1000.2421040476.

Adding to 1000726488 its reverse (8846270001), we get a palindrome (9846996489).

The spelling of 1000726488 in words is "one billion, seven hundred twenty-six thousand, four hundred eighty-eight".