3709020 has 48 divisors (see below), whose sum is σ = 11870208. Its totient is φ = 847680.

The previous prime is 3709019. The next prime is 3709031. The reversal of 3709020 is 209073.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3996 + ... + 4835.

It is an arithmetic number, because the mean of its divisors is an integer number (247296).

Almost surely, 2^3709020 is an apocalyptic number.

3709020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3709020 is an abundant number, since it is smaller than the sum of its proper divisors (8161188).

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

3709020 is a wasteful number, since it uses less digits than its factorization.

3709020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850 (or 8848 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 3709020 is about 1925.8816162994. The cubic root of 3709020 is about 154.7936205799.

The spelling of 3709020 in words is "three million, seven hundred nine thousand, twenty".