3693980 has 24 divisors (see below), whose sum is σ = 8166480. Its totient is φ = 1399680.

The previous prime is 3693973. The next prime is 3693983. The reversal of 3693980 is 893963.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (340270).

Almost surely, 2^3693980 is an apocalyptic number.

It is an amenable number.

3693980 is an abundant number, since it is smaller than the sum of its proper divisors (4472500).

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

3693980 is a wasteful number, since it uses less digits than its factorization.

3693980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749 (or 9747 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3693980 is about 1921.9729446587. The cubic root of 3693980 is about 154.5841088170.

The spelling of 3693980 in words is "three million, six hundred ninety-three thousand, nine hundred eighty".