3880290 has 32 divisors (see below), whose sum is σ = 9372096. Its totient is φ = 1028160.

The previous prime is 3880259. The next prime is 3880337. The reversal of 3880290 is 920883.

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

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, 6024 + ... + 6636.

It is an arithmetic number, because the mean of its divisors is an integer number (292878).

Almost surely, 2^3880290 is an apocalyptic number.

3880290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3880290 is an abundant number, since it is smaller than the sum of its proper divisors (5491806).

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

3880290 is a wasteful number, since it uses less digits than its factorization.

3880290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 3880290 is about 1969.8451715808. The cubic root of 3880290 is about 157.1404749737.

The spelling of 3880290 in words is "three million, eight hundred eighty thousand, two hundred ninety".