38071397 has 16 divisors (see below), whose sum is σ = 47013120. Its totient is φ = 30022272.

The previous prime is 38071391. The next prime is 38071427. The reversal of 38071397 is 79317083.

It is a happy number.

It is not a de Polignac number, because 38071397 - 2¹⁴ = 38055013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38071397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38071391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39473 + ... + 40425.

It is an arithmetic number, because the mean of its divisors is an integer number (2938320).

Almost surely, 2^38071397 is an apocalyptic number.

It is an amenable number.

38071397 is a deficient number, since it is larger than the sum of its proper divisors (8941723).

38071397 is a wasteful number, since it uses less digits than its factorization.

38071397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 38071397 is about 6170.2023467630. The cubic root of 38071397 is about 336.4079659286.

The spelling of 38071397 in words is "thirty-eight million, seventy-one thousand, three hundred ninety-seven".