3869892 has 36 divisors (see below), whose sum is σ = 10535980. Its totient is φ = 1190592.

The previous prime is 3869881. The next prime is 3869917. The reversal of 3869892 is 2989683.

It is a Cunningham number, because it is equal to 157³-1.

It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 1726596 = 1464^2 + 1314^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3667 + ... + 4602.

Almost surely, 2^3869892 is an apocalyptic number.

It is an amenable number.

3869892 is an abundant number, since it is smaller than the sum of its proper divisors (6666088).

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

3869892 is a wasteful number, since it uses less digits than its factorization.

3869892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292 (or 8287 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 3869892 is about 1967.2041073564. The cubic root of 3869892 is about 156.9999864768. Note that the first 4 decimals are identical.

It can be divided in two parts, 3869 and 892, that added together give a square (4761 = 69²).

The spelling of 3869892 in words is "three million, eight hundred sixty-nine thousand, eight hundred ninety-two".