38787201 has 8 divisors (see below), whose sum is σ = 57462560. Its totient is φ = 25858116.

The previous prime is 38787191. The next prime is 38787209. The reversal of 38787201 is 10278783.

It is not a de Polignac number, because 38787201 - 2¹³ = 38779009 is a prime.

It is a super-2 number, since 2×38787201² = 3008893922828802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38787209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718255 + ... + 718308.

It is an arithmetic number, because the mean of its divisors is an integer number (7182820).

Almost surely, 2^38787201 is an apocalyptic number.

It is an amenable number.

38787201 is a deficient number, since it is larger than the sum of its proper divisors (18675359).

38787201 is a wasteful number, since it uses less digits than its factorization.

38787201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436572 (or 1436566 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 38787201 is about 6227.9371384111. The cubic root of 38787201 is about 338.5032272725.

The spelling of 38787201 in words is "thirty-eight million, seven hundred eighty-seven thousand, two hundred one".