3901272 has 16 divisors (see below), whose sum is σ = 9753240. Its totient is φ = 1300416.

The previous prime is 3901259. The next prime is 3901301. The reversal of 3901272 is 2721093.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 162553 = 3901272 / (3 + 9 + 0 + 1 + 2 + 7 + 2).

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, 81253 + ... + 81300.

Almost surely, 2^3901272 is an apocalyptic number.

It is an amenable number.

3901272 is an abundant number, since it is smaller than the sum of its proper divisors (5851968).

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

3901272 is a wasteful number, since it uses less digits than its factorization.

3901272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162562 (or 162558 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 3901272 is about 1975.1637906766. The cubic root of 3901272 is about 157.4232026704.

The spelling of 3901272 in words is "three million, nine hundred one thousand, two hundred seventy-two".