3673920 has 112 divisors (see below), whose sum is σ = 12070080. Its totient is φ = 946176.

The previous prime is 3673919. The next prime is 3673937. The reversal of 3673920 is 293763.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 41236 + ... + 41324.

Almost surely, 2^3673920 is an apocalyptic number.

3673920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6035040).

3673920 is an abundant number, since it is smaller than the sum of its proper divisors (8396160).

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

3673920 is a wasteful number, since it uses less digits than its factorization.

3673920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 3673920 is about 1916.7472446830. The cubic root of 3673920 is about 154.3037799735.

The spelling of 3673920 in words is "three million, six hundred seventy-three thousand, nine hundred twenty".