3934390 has 16 divisors (see below), whose sum is σ = 7150032. Its totient is φ = 1558624.

The previous prime is 3934373. The next prime is 3934421. The reversal of 3934390 is 934393.

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, 769 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (446877).

Almost surely, 2^3934390 is an apocalyptic number.

3934390 is a deficient number, since it is larger than the sum of its proper divisors (3215642).

3934390 is a wasteful number, since it uses less digits than its factorization.

3934390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 3934390 is about 1983.5296821575. The cubic root of 3934390 is about 157.8674046452.

The spelling of 3934390 in words is "three million, nine hundred thirty-four thousand, three hundred ninety".