3821670 has 24 divisors (see below), whose sum is σ = 9936576. Its totient is φ = 1019088.

The previous prime is 3821669. The next prime is 3821681. The reversal of 3821670 is 761283.

It is a congruent number.

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, 21142 + ... + 21321.

It is an arithmetic number, because the mean of its divisors is an integer number (414024).

Almost surely, 2^3821670 is an apocalyptic number.

3821670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3821670 is an abundant number, since it is smaller than the sum of its proper divisors (6114906).

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

3821670 is a wasteful number, since it uses less digits than its factorization.

3821670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42476 (or 42473 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3821670 is about 1954.9092050528. The cubic root of 3821670 is about 156.3451431207.

The spelling of 3821670 in words is "three million, eight hundred twenty-one thousand, six hundred seventy".