38397801 has 16 divisors (see below), whose sum is σ = 55298880. Its totient is φ = 23559360.

The previous prime is 38397791. The next prime is 38397817. The reversal of 38397801 is 10879383.

It is not a de Polignac number, because 38397801 - 2¹⁴ = 38381417 is a prime.

It is a super-2 number, since 2×38397801² = 2948782243271202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 38397801.

It is not an unprimeable number, because it can be changed into a prime (38397881) 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, 13906 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (3456180).

Almost surely, 2^38397801 is an apocalyptic number.

It is an amenable number.

38397801 is a deficient number, since it is larger than the sum of its proper divisors (16901079).

38397801 is a wasteful number, since it uses less digits than its factorization.

38397801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 38397801 is about 6196.5959203421. The cubic root of 38397801 is about 337.3666260379.

The spelling of 38397801 in words is "thirty-eight million, three hundred ninety-seven thousand, eight hundred one".