2378904 has 32 divisors (see below), whose sum is σ = 6488640. Its totient is φ = 720800.

The previous prime is 2378891. The next prime is 2378917. The reversal of 2378904 is 4098732.

It is an interprime number because it is at equal distance from previous prime (2378891) and next prime (2378917).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242 + ... + 4769.

It is an arithmetic number, because the mean of its divisors is an integer number (202770).

2^2378904 is an apocalyptic number.

2378904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2378904 is an abundant number, since it is smaller than the sum of its proper divisors (4109736).

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

2378904 is a wasteful number, since it uses less digits than its factorization.

2378904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031 (or 9027 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2378904 is about 1542.3696055097. The cubic root of 2378904 is about 133.4931472587.

The spelling of 2378904 in words is "two million, three hundred seventy-eight thousand, nine hundred four".