3979770 has 32 divisors (see below), whose sum is σ = 9735552. Its totient is φ = 1040832.

The previous prime is 3979739. The next prime is 3979771. The reversal of 3979770 is 779793.

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 15 ways as a sum of consecutive naturals, for example, 339 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (304236).

Almost surely, 2^3979770 is an apocalyptic number.

3979770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3979770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4867776).

3979770 is an abundant number, since it is smaller than the sum of its proper divisors (5755782).

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

3979770 is a wasteful number, since it uses less digits than its factorization.

3979770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566.

The product of its (nonzero) digits is 83349, while the sum is 42.

The square root of 3979770 is about 1994.9360892019. The cubic root of 3979770 is about 158.4720434195.

The spelling of 3979770 in words is "three million, nine hundred seventy-nine thousand, seven hundred seventy".