3951522 has 12 divisors (see below), whose sum is σ = 8561670. Its totient is φ = 1317168.

The previous prime is 3951517. The next prime is 3951551. The reversal of 3951522 is 2251593.

3951522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 184041 = 1941^2 + 429^2 .

It is a super-2 number, since 2×3951522² = 31229052232968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109747 + ... + 109782.

Almost surely, 2^3951522 is an apocalyptic number.

3951522 is an abundant number, since it is smaller than the sum of its proper divisors (4610148).

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

3951522 is a wasteful number, since it uses less digits than its factorization.

3951522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219537 (or 219534 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 3951522 is about 1987.8435552125. The cubic root of 3951522 is about 158.0962133644.

The spelling of 3951522 in words is "three million, nine hundred fifty-one thousand, five hundred twenty-two".