3946070428 has 12 divisors (see below), whose sum is σ = 6923020552. Its totient is φ = 1968064560.

The previous prime is 3946070393. The next prime is 3946070431. The reversal of 3946070428 is 8240706493.

It is a super-2 number, since 2×3946070428² = 31142943645472206368, which contains 22 as substring.

It is a congruent 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, 1240878 + ... + 1244053.

Almost surely, 2^3946070428 is an apocalyptic number.

It is an amenable number.

3946070428 is a deficient number, since it is larger than the sum of its proper divisors (2976950124).

3946070428 is a wasteful number, since it uses less digits than its factorization.

3946070428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485332 (or 2485330 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 3946070428 is about 62817.7556746498. The cubic root of 3946070428 is about 1580.2347602887.

The spelling of 3946070428 in words is "three billion, nine hundred forty-six million, seventy thousand, four hundred twenty-eight".