38980394 has 16 divisors (see below), whose sum is σ = 59530632. Its totient is φ = 19139328.

The previous prime is 38980393. The next prime is 38980397. The reversal of 38980394 is 49308983.

It can be written as a sum of positive squares in 4 ways, for example, as 11992369 + 26988025 = 3463^2 + 5195^2 .

It is a super-2 number, since 2×38980394² = 3038942232790472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38980391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45272 + ... + 46124.

Almost surely, 2^38980394 is an apocalyptic number.

38980394 is a deficient number, since it is larger than the sum of its proper divisors (20550238).

38980394 is a wasteful number, since it uses less digits than its factorization.

38980394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 38980394 is about 6243.4280647734. The cubic root of 38980394 is about 339.0643073474.

The spelling of 38980394 in words is "thirty-eight million, nine hundred eighty thousand, three hundred ninety-four".