3979626 has 32 divisors (see below), whose sum is σ = 9576960. Its totient is φ = 1076976.

The previous prime is 3979603. The next prime is 3979627. The reversal of 3979626 is 6269793.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (3979627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (299280).

Almost surely, 2^3979626 is an apocalyptic number.

3979626 is an abundant number, since it is smaller than the sum of its proper divisors (5597334).

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

3979626 is a wasteful number, since it uses less digits than its factorization.

3979626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018.

The product of its digits is 122472, while the sum is 42.

The square root of 3979626 is about 1994.8999974936. The cubic root of 3979626 is about 158.4701320653.

The spelling of 3979626 in words is "three million, nine hundred seventy-nine thousand, six hundred twenty-six".