2405430 has 64 divisors (see below), whose sum is σ = 6566400. Its totient is φ = 626400.

The previous prime is 2405399. The next prime is 2405437. The reversal of 2405430 is 345042.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15855 + ... + 16005.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

2^2405430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2405430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3283200).

2405430 is an abundant number, since it is smaller than the sum of its proper divisors (4160970).

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

2405430 is a wasteful number, since it uses less digits than its factorization.

2405430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2405430 is about 1550.9448732950. The cubic root of 2405430 is about 133.9874867650.

The spelling of 2405430 in words is "two million, four hundred five thousand, four hundred thirty".