3800290 has 64 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 1267200.

The previous prime is 3800287. The next prime is 3800309. The reversal of 3800290 is 920083.

3800290 = 156² + 157² + ... + 247².

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92670 + ... + 92710.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

Almost surely, 2^3800290 is an apocalyptic number.

3800290 is an abundant number, since it is smaller than the sum of its proper divisors (4328222).

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

3800290 is a wasteful number, since it uses less digits than its factorization.

3800290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3800290 is about 1949.4332509732. The cubic root of 3800290 is about 156.0530446393.

The spelling of 3800290 in words is "three million, eight hundred thousand, two hundred ninety".