3950428 has 6 divisors (see below), whose sum is σ = 6913256. Its totient is φ = 1975212.

The previous prime is 3950417. The next prime is 3950449. The reversal of 3950428 is 8240593.

It is a self number, because there is not a number n which added to its sum of digits gives 3950428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493800 + ... + 493807.

Almost surely, 2^3950428 is an apocalyptic number.

It is an amenable number.

3950428 is a deficient number, since it is larger than the sum of its proper divisors (2962828).

3950428 is a wasteful number, since it uses less digits than its factorization.

3950428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987611 (or 987609 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3950428 is about 1987.5683636041. The cubic root of 3950428 is about 158.0816220903.

The spelling of 3950428 in words is "three million, nine hundred fifty thousand, four hundred twenty-eight".