1002497904 has 160 divisors (see below), whose sum is σ = 2959810560. Its totient is φ = 324767232.

The previous prime is 1002497891. The next prime is 1002497917. The reversal of 1002497904 is 4097942001.

It is an interprime number because it is at equal distance from previous prime (1002497891) and next prime (1002497917).

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 31 ways as a sum of consecutive naturals, for example, 2617297 + ... + 2617679.

It is an arithmetic number, because the mean of its divisors is an integer number (18498816).

Almost surely, 2^1002497904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002497904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479905280).

1002497904 is an abundant number, since it is smaller than the sum of its proper divisors (1957312656).

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

1002497904 is a wasteful number, since it uses less digits than its factorization.

1002497904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1002497904 is about 31662.2472986363. The cubic root of 1002497904 is about 1000.8319423467.

The spelling of 1002497904 in words is "one billion, two million, four hundred ninety-seven thousand, nine hundred four".