3890394 has 12 divisors (see below), whose sum is σ = 8429226. Its totient is φ = 1296792.

The previous prime is 3890387. The next prime is 3890417. The reversal of 3890394 is 4930983.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 1595169 = 1515^2 + 1263^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108049 + ... + 108084.

Almost surely, 2^3890394 is an apocalyptic number.

3890394 is an abundant number, since it is smaller than the sum of its proper divisors (4538832).

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

3890394 is a wasteful number, since it uses less digits than its factorization.

3890394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216141 (or 216138 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3890394 is about 1972.4081727675. The cubic root of 3890394 is about 157.2767509756.

The spelling of 3890394 in words is "three million, eight hundred ninety thousand, three hundred ninety-four".