2405442 has 16 divisors (see below), whose sum is σ = 5181120. Its totient is φ = 740112.

The previous prime is 2405441. The next prime is 2405443. The reversal of 2405442 is 2445042.

It is an interprime number because it is at equal distance from previous prime (2405441) and next prime (2405443).

It is not an unprimeable number, because it can be changed into a prime (2405441) 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, 15342 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (323820).

2^2405442 is an apocalyptic number.

2405442 is an abundant number, since it is smaller than the sum of its proper divisors (2775678).

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

2405442 is a wasteful number, since it uses less digits than its factorization.

2405442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30857.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2405442 is about 1550.9487418996. The cubic root of 2405442 is about 133.9877095730.

The spelling of 2405442 in words is "two million, four hundred five thousand, four hundred forty-two".