2390478 has 16 divisors (see below), whose sum is σ = 4803840. Its totient is φ = 793016.

The previous prime is 2390477. The next prime is 2390519. The reversal of 2390478 is 8740932.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390471) 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, 601 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (300240).

2^2390478 is an apocalyptic number.

2390478 is an abundant number, since it is smaller than the sum of its proper divisors (2413362).

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

2390478 is a wasteful number, since it uses less digits than its factorization.

2390478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

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

The square root of 2390478 is about 1546.1170718933. The cubic root of 2390478 is about 133.7092903151.

The spelling of 2390478 in words is "two million, three hundred ninety thousand, four hundred seventy-eight".