2377920 has 56 divisors (see below), whose sum is σ = 7552944. Its totient is φ = 633856.

The previous prime is 2377889. The next prime is 2377927. The reversal of 2377920 is 297732.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is not an unprimeable number, because it can be changed into a prime (2377927) 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, 279 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (134874).

2^2377920 is an apocalyptic number.

2377920 is a gapful number since it is divisible by the number (20) 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 2377920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3776472).

2377920 is an abundant number, since it is smaller than the sum of its proper divisors (5175024).

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

2377920 is a wasteful number, since it uses less digits than its factorization.

2377920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497 (or 2487 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2377920 is about 1542.0505828279. The cubic root of 2377920 is about 133.4747388694.

The spelling of 2377920 in words is "two million, three hundred seventy-seven thousand, nine hundred twenty".