38944394 has 8 divisors (see below), whose sum is σ = 58590948. Its totient is φ = 19414080.

The previous prime is 38944391. The next prime is 38944397. The reversal of 38944394 is 49344983.

It is an interprime number because it is at equal distance from previous prime (38944391) and next prime (38944397).

It can be written as a sum of positive squares in 2 ways, for example, as 38875225 + 69169 = 6235^2 + 263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38944391) 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, 28217 + ... + 29564.

Almost surely, 2^38944394 is an apocalyptic number.

38944394 is a deficient number, since it is larger than the sum of its proper divisors (19646554).

38944394 is a wasteful number, since it uses less digits than its factorization.

38944394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58120.

The product of its digits is 373248, while the sum is 44.

The square root of 38944394 is about 6240.5443672808. The cubic root of 38944394 is about 338.9598952449.

The spelling of 38944394 in words is "thirty-eight million, nine hundred forty-four thousand, three hundred ninety-four".