1146863488 has 32 divisors (see below), whose sum is σ = 2294388000. Its totient is φ = 571017216.

The previous prime is 1146863441. The next prime is 1146863519. The reversal of 1146863488 is 8843686411.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1146863488² = 2630591720215052288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11848 + ... + 49336.

It is an arithmetic number, because the mean of its divisors is an integer number (71699625).

Almost surely, 2^1146863488 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 1146863488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147194000).

1146863488 is an abundant number, since it is smaller than the sum of its proper divisors (1147524512).

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

1146863488 is an equidigital number, since it uses as much as digits as its factorization.

1146863488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37742 (or 37730 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The square root of 1146863488 is about 33865.3729936642. The cubic root of 1146863488 is about 1046.7361958130.

The spelling of 1146863488 in words is "one billion, one hundred forty-six million, eight hundred sixty-three thousand, four hundred eighty-eight".