3979776 has 40 divisors (see below), whose sum is σ = 10606464. Its totient is φ = 1326080.

The previous prime is 3979771. The next prime is 3979837. The reversal of 3979776 is 6779793.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241 + ... + 2831.

Almost surely, 2^3979776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3979776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5303232).

3979776 is an abundant number, since it is smaller than the sum of its proper divisors (6626688).

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

3979776 is an equidigital number, since it uses as much as digits as its factorization.

3979776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 2596 counting only the distinct ones).

The product of its digits is 500094, while the sum is 48.

The square root of 3979776 is about 1994.9375930089. The cubic root of 3979776 is about 158.4721230582.

The spelling of 3979776 in words is "three million, nine hundred seventy-nine thousand, seven hundred seventy-six".