1038865464 has 144 divisors (see below), whose sum is σ = 3524877720. Its totient is φ = 273974400.

The previous prime is 1038865453. The next prime is 1038865481. The reversal of 1038865464 is 4645688301.

1038865464 is a `hidden beast` number, since 103 + 8 + 86 + 5 + 464 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34539 + ... + 57189.

Almost surely, 2^1038865464 is an apocalyptic number.

1038865464 is a gapful number since it is divisible by the number (14) 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 1038865464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1762438860).

1038865464 is an abundant number, since it is smaller than the sum of its proper divisors (2486012256).

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

1038865464 is a wasteful number, since it uses less digits than its factorization.

1038865464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22690 (or 22676 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 1038865464 is about 32231.4359593239. The cubic root of 1038865464 is about 1012.7908512385.

The spelling of 1038865464 in words is "one billion, thirty-eight million, eight hundred sixty-five thousand, four hundred sixty-four".