3921356 has 12 divisors (see below), whose sum is σ = 7266168. Its totient is φ = 1845312.

The previous prime is 3921347. The next prime is 3921367. The reversal of 3921356 is 6531293.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28766 + ... + 28901.

It is an arithmetic number, because the mean of its divisors is an integer number (605514).

Almost surely, 2^3921356 is an apocalyptic number.

It is an amenable number.

3921356 is a deficient number, since it is larger than the sum of its proper divisors (3344812).

3921356 is a wasteful number, since it uses less digits than its factorization.

3921356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57688 (or 57686 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 3921356 is about 1980.2413994258. The cubic root of 3921356 is about 157.6928820248.

The spelling of 3921356 in words is "three million, nine hundred twenty-one thousand, three hundred fifty-six".