3872190 has 32 divisors (see below), whose sum is σ = 10621440. Its totient is φ = 885024.

The previous prime is 3872153. The next prime is 3872201. The reversal of 3872190 is 912783.

It is a happy number.

It is a super-2 number, since 2×3872190² = 29987710792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9010 + ... + 9429.

It is an arithmetic number, because the mean of its divisors is an integer number (331920).

Almost surely, 2^3872190 is an apocalyptic number.

3872190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3872190 is an abundant number, since it is smaller than the sum of its proper divisors (6749250).

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

3872190 is a wasteful number, since it uses less digits than its factorization.

3872190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3872190 is about 1967.7880983480. The cubic root of 3872190 is about 157.0310566444.

The spelling of 3872190 in words is "three million, eight hundred seventy-two thousand, one hundred ninety".