3727428 has 24 divisors (see below), whose sum is σ = 8998080. Its totient is φ = 1199520.

The previous prime is 3727397. The next prime is 3727441. The reversal of 3727428 is 8247273.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008 + ... + 5703.

It is an arithmetic number, because the mean of its divisors is an integer number (374920).

Almost surely, 2^3727428 is an apocalyptic number.

It is an amenable number.

3727428 is an abundant number, since it is smaller than the sum of its proper divisors (5270652).

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

3727428 is a wasteful number, since it uses less digits than its factorization.

3727428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10747 (or 10745 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 3727428 is about 1930.6548111975. The cubic root of 3727428 is about 155.0492802027.

The spelling of 3727428 in words is "three million, seven hundred twenty-seven thousand, four hundred twenty-eight".