3703920 has 160 divisors (see below), whose sum is σ = 13284864. Its totient is φ = 844800.

The previous prime is 3703919. The next prime is 3703927. The reversal of 3703920 is 293073.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3703927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60690 + ... + 60750.

Almost surely, 2^3703920 is an apocalyptic number.

3703920 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 3703920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6642432).

3703920 is an abundant number, since it is smaller than the sum of its proper divisors (9580944).

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

3703920 is a wasteful number, since it uses less digits than its factorization.

3703920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 3703920 is about 1924.5570919045. The cubic root of 3703920 is about 154.7226396039.

Adding to 3703920 its reverse (293073), we get a palindrome (3996993).

The spelling of 3703920 in words is "three million, seven hundred three thousand, nine hundred twenty".