2378920 has 16 divisors (see below), whose sum is σ = 5352660. Its totient is φ = 951552.

The previous prime is 2378917. The next prime is 2378921. The reversal of 2378920 is 298732.

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 1156 = 1542^2 + 34^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2378921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29697 + ... + 29776.

2^2378920 is an apocalyptic number.

2378920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2378920 is an abundant number, since it is smaller than the sum of its proper divisors (2973740).

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

2378920 is a wasteful number, since it uses less digits than its factorization.

2378920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59484 (or 59480 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2378920 is about 1542.3747923251. The cubic root of 2378920 is about 133.4934465401.

The spelling of 2378920 in words is "two million, three hundred seventy-eight thousand, nine hundred twenty".