3890620 has 24 divisors (see below), whose sum is σ = 8651664. Its totient is φ = 1464576.

The previous prime is 3890609. The next prime is 3890633. The reversal of 3890620 is 260983.

It is a hoax number, since the sum of its digits (28) 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 7 ways as a sum of consecutive naturals, for example, 5382 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (360486).

Almost surely, 2^3890620 is an apocalyptic number.

It is an amenable number.

3890620 is an abundant number, since it is smaller than the sum of its proper divisors (4761044).

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

3890620 is a wasteful number, since it uses less digits than its factorization.

3890620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469 (or 11467 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3890620 is about 1972.4654623085. The cubic root of 3890620 is about 157.2797964133.

The spelling of 3890620 in words is "three million, eight hundred ninety thousand, six hundred twenty".