3890722 has 32 divisors (see below), whose sum is σ = 6873984. Its totient is φ = 1632000.

The previous prime is 3890713. The next prime is 3890737. The reversal of 3890722 is 2270983.

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, 37723 + ... + 37825.

It is an arithmetic number, because the mean of its divisors is an integer number (214812).

Almost surely, 2^3890722 is an apocalyptic number.

3890722 is a deficient number, since it is larger than the sum of its proper divisors (2983262).

3890722 is a wasteful number, since it uses less digits than its factorization.

3890722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3890722 is about 1972.4913181051. The cubic root of 3890722 is about 157.2811708642.

The spelling of 3890722 in words is "three million, eight hundred ninety thousand, seven hundred twenty-two".