3724920 has 64 divisors (see below), whose sum is σ = 12420000. Its totient is φ = 993024.

The previous prime is 3724913. The next prime is 3724927. The reversal of 3724920 is 294273.

It is an interprime number because it is at equal distance from previous prime (3724913) and next prime (3724927).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3724927) 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, 645 + ... + 2804.

Almost surely, 2^3724920 is an apocalyptic number.

3724920 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 3724920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6210000).

3724920 is an abundant number, since it is smaller than the sum of its proper divisors (8695080).

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

3724920 is a wasteful number, since it uses less digits than its factorization.

3724920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3724920 is about 1930.0051813402. The cubic root of 3724920 is about 155.0144974300.

The spelling of 3724920 in words is "three million, seven hundred twenty-four thousand, nine hundred twenty".