3980679 has 16 divisors (see below), whose sum is σ = 5720064. Its totient is φ = 2455200.

The previous prime is 3980663. The next prime is 3980687. The reversal of 3980679 is 9760893.

It is a happy number.

It is not a de Polignac number, because 3980679 - 2⁴ = 3980663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3980679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980629) 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, 1209 + ... + 3069.

It is an arithmetic number, because the mean of its divisors is an integer number (357504).

Almost surely, 2^3980679 is an apocalyptic number.

3980679 is a deficient number, since it is larger than the sum of its proper divisors (1739385).

3980679 is a wasteful number, since it uses less digits than its factorization.

3980679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3980679 is about 1995.1639030416. The cubic root of 3980679 is about 158.4841077784.

The spelling of 3980679 in words is "three million, nine hundred eighty thousand, six hundred seventy-nine".