3709980 has 36 divisors (see below), whose sum is σ = 11254152. Its totient is φ = 989280.

The previous prime is 3709949. The next prime is 3710009. The reversal of 3709980 is 899073.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10126 + ... + 10485.

Almost surely, 2^3709980 is an apocalyptic number.

3709980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3709980 is an abundant number, since it is smaller than the sum of its proper divisors (7544172).

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

3709980 is a wasteful number, since it uses less digits than its factorization.

3709980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20626 (or 20621 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3709980 is about 1926.1308366775. The cubic root of 3709980 is about 154.8069744269.

The spelling of 3709980 in words is "three million, seven hundred nine thousand, nine hundred eighty".