3954625 has 16 divisors (see below), whose sum is σ = 5228496. Its totient is φ = 2976000.

The previous prime is 3954623. The next prime is 3954637. The reversal of 3954625 is 5264593.

It can be written as a sum of positive squares in 8 ways, for example, as 2169729 + 1784896 = 1473^2 + 1336^2 .

It is not a de Polignac number, because 3954625 - 2¹ = 3954623 is a prime.

It is a Duffinian number.

3954625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3954623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (326781).

Almost surely, 2^3954625 is an apocalyptic number.

It is an amenable number.

3954625 is a deficient number, since it is larger than the sum of its proper divisors (1273871).

3954625 is a wasteful number, since it uses less digits than its factorization.

3954625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1883 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 3954625 is about 1988.6238960648. The cubic root of 3954625 is about 158.1375851190.

The spelling of 3954625 in words is "three million, nine hundred fifty-four thousand, six hundred twenty-five".