2425890 has 16 divisors (see below), whose sum is σ = 5822208. Its totient is φ = 646896.

The previous prime is 2425889. The next prime is 2425897. The reversal of 2425890 is 985242.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 80863 = 2425890 / (2 + 4 + 2 + 5 + 8 + 9 + 0).

It is a d-powerful number, because it can be written as 2¹⁶ + 4⁵ + 2²¹ + 5² + 8⁶ + 9 + 0 .

It is not an unprimeable number, because it can be changed into a prime (2425897) 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, 40402 + ... + 40461.

It is an arithmetic number, because the mean of its divisors is an integer number (363888).

2^2425890 is an apocalyptic number.

2425890 is an abundant number, since it is smaller than the sum of its proper divisors (3396318).

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

2425890 is a wasteful number, since it uses less digits than its factorization.

2425890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80873.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2425890 is about 1557.5268858033. The cubic root of 2425890 is about 134.3663030247.

The spelling of 2425890 in words is "two million, four hundred twenty-five thousand, eight hundred ninety".