3911725 has 12 divisors (see below), whose sum is σ = 5062176. Its totient is φ = 2992880.

The previous prime is 3911711. The next prime is 3911741. The reversal of 3911725 is 5271193.

It is not a de Polignac number, because 3911725 - 2⁵ = 3911693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3911693 and 3911702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2827 + ... + 3976.

It is an arithmetic number, because the mean of its divisors is an integer number (421848).

Almost surely, 2^3911725 is an apocalyptic number.

It is an amenable number.

3911725 is a deficient number, since it is larger than the sum of its proper divisors (1150451).

3911725 is a wasteful number, since it uses less digits than its factorization.

3911725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836 (or 6831 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 3911725 is about 1977.8081302290. The cubic root of 3911725 is about 157.5636762766.

It can be divided in two parts, 391 and 1725, that added together give a square (2116 = 46²).

The spelling of 3911725 in words is "three million, nine hundred eleven thousand, seven hundred twenty-five".