38970331 has 4 divisors (see below), whose sum is σ = 39277312. Its totient is φ = 38663352.

The previous prime is 38970293. The next prime is 38970353. The reversal of 38970331 is 13307983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38970331 - 2¹¹ = 38968283 is a prime.

It is a super-2 number, since 2×38970331² = 3037373396499122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38970391) 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, 153300 + ... + 153553.

It is an arithmetic number, because the mean of its divisors is an integer number (9819328).

Almost surely, 2^38970331 is an apocalyptic number.

38970331 is a deficient number, since it is larger than the sum of its proper divisors (306981).

38970331 is a wasteful number, since it uses less digits than its factorization.

38970331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306980.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 38970331 is about 6242.6221253573. The cubic root of 38970331 is about 339.0351277400.

It can be divided in two parts, 38 and 970331, that multiplied together give a triangular number (36872578 = T₈₅₈₇).

The spelling of 38970331 in words is "thirty-eight million, nine hundred seventy thousand, three hundred thirty-one".