3638877 has 8 divisors (see below), whose sum is σ = 5292960. Its totient is φ = 2205360.

The previous prime is 3638851. The next prime is 3638879. The reversal of 3638877 is 7788363.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3638877 - 2¹⁶ = 3573341 is a prime.

It is a super-2 number, since 2×3638877² = 26482851642258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55102 + ... + 55167.

It is an arithmetic number, because the mean of its divisors is an integer number (661620).

Almost surely, 2^3638877 is an apocalyptic number.

It is an amenable number.

3638877 is a deficient number, since it is larger than the sum of its proper divisors (1654083).

3638877 is a wasteful number, since it uses less digits than its factorization.

3638877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110283.

The product of its digits is 169344, while the sum is 42.

The square root of 3638877 is about 1907.5840741629. The cubic root of 3638877 is about 153.8116125595.

The spelling of 3638877 in words is "three million, six hundred thirty-eight thousand, eight hundred seventy-seven".