38401065 has 12 divisors (see below), whose sum is σ = 66561924. Its totient is φ = 20480544.

The previous prime is 38401057. The next prime is 38401067. The reversal of 38401065 is 56010483.

It can be written as a sum of positive squares in 2 ways, for example, as 15705369 + 22695696 = 3963^2 + 4764^2 .

It is not a de Polignac number, because 38401065 - 2³ = 38401057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38401067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426634 + ... + 426723.

It is an arithmetic number, because the mean of its divisors is an integer number (5546827).

Almost surely, 2^38401065 is an apocalyptic number.

It is an amenable number.

38401065 is a deficient number, since it is larger than the sum of its proper divisors (28160859).

38401065 is a wasteful number, since it uses less digits than its factorization.

38401065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853368 (or 853365 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 38401065 is about 6196.8592851541. The cubic root of 38401065 is about 337.3761850356.

The spelling of 38401065 in words is "thirty-eight million, four hundred one thousand, sixty-five".