3887420 has 12 divisors (see below), whose sum is σ = 8163624. Its totient is φ = 1554960.

The previous prime is 3887399. The next prime is 3887449. The reversal of 3887420 is 247883.

It is a super-2 number, since 2×3887420² = 30224068512800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97166 + ... + 97205.

It is an arithmetic number, because the mean of its divisors is an integer number (680302).

Almost surely, 2^3887420 is an apocalyptic number.

It is an amenable number.

3887420 is an abundant number, since it is smaller than the sum of its proper divisors (4276204).

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

3887420 is a wasteful number, since it uses less digits than its factorization.

3887420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194380 (or 194378 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 3887420 is about 1971.6541278835. The cubic root of 3887420 is about 157.2366641793.

The spelling of 3887420 in words is "three million, eight hundred eighty-seven thousand, four hundred twenty".