1038494396 has 12 divisors (see below), whose sum is σ = 1817753952. Its totient is φ = 519136128.

The previous prime is 1038494393. The next prime is 1038494399. The reversal of 1038494396 is 6934948301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1038494393) and next prime (1038494399).

It is a super-2 number, since 2×1038494396² = 2156941221046809632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1038494396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038494393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580 + ... + 45803.

It is an arithmetic number, because the mean of its divisors is an integer number (151479496).

Almost surely, 2^1038494396 is an apocalyptic number.

It is an amenable number.

1038494396 is a deficient number, since it is larger than the sum of its proper divisors (779259556).

1038494396 is a wasteful number, since it uses less digits than its factorization.

1038494396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55540 (or 55538 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 1038494396 is about 32225.6791394689. The cubic root of 1038494396 is about 1012.6702520391.

The spelling of 1038494396 in words is "one billion, thirty-eight million, four hundred ninety-four thousand, three hundred ninety-six".