3920346 has 32 divisors (see below), whose sum is σ = 9172800. Its totient is φ = 1237680.

The previous prime is 3920311. The next prime is 3920359. The reversal of 3920346 is 6430293.

It is a super-2 number, since 2×3920346² = 30738225519432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 885 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (286650).

Almost surely, 2^3920346 is an apocalyptic number.

3920346 is an abundant number, since it is smaller than the sum of its proper divisors (5252454).

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

3920346 is a wasteful number, since it uses less digits than its factorization.

3920346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3920346 is about 1979.9863635894. The cubic root of 3920346 is about 157.6793421943.

The spelling of 3920346 in words is "three million, nine hundred twenty thousand, three hundred forty-six".