2430090 has 96 divisors (see below), whose sum is σ = 7128576. Its totient is φ = 570240.

The previous prime is 2430089. The next prime is 2430091. The reversal of 2430090 is 900342.

It is an interprime number because it is at equal distance from previous prime (2430089) and next prime (2430091).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2430091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36237 + ... + 36303.

It is an arithmetic number, because the mean of its divisors is an integer number (74256).

2^2430090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2430090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3564288).

2430090 is an abundant number, since it is smaller than the sum of its proper divisors (4698486).

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

2430090 is a wasteful number, since it uses less digits than its factorization.

2430090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2430090 is about 1558.8745940582. The cubic root of 2430090 is about 134.4438021558.

The spelling of 2430090 in words is "two million, four hundred thirty thousand, ninety".