38023965 has 32 divisors (see below), whose sum is σ = 77256960. Its totient is φ = 17381952.

The previous prime is 38023963. The next prime is 38023967. The reversal of 38023965 is 56932083.

It is an interprime number because it is at equal distance from previous prime (38023963) and next prime (38023967).

It is not a de Polignac number, because 38023965 - 2¹ = 38023963 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38023963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19174 + ... + 21063.

It is an arithmetic number, because the mean of its divisors is an integer number (2414280).

Almost surely, 2^38023965 is an apocalyptic number.

38023965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38023965 is an abundant number, since it is smaller than the sum of its proper divisors (39232995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38023965 is a wasteful number, since it uses less digits than its factorization.

38023965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40258 (or 40252 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 38023965 is about 6166.3575147732. The cubic root of 38023965 is about 336.2682010389.

The spelling of 38023965 in words is "thirty-eight million, twenty-three thousand, nine hundred sixty-five".