2406402 has 16 divisors (see below), whose sum is σ = 5347680. Its totient is φ = 802116.

The previous prime is 2406379. The next prime is 2406457. The reversal of 2406402 is 2046042.

2406402 is a `hidden beast` number, since 24 + 0 + 640 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22228 + ... + 22335.

It is an arithmetic number, because the mean of its divisors is an integer number (334230).

2^2406402 is an apocalyptic number.

2406402 is an abundant number, since it is smaller than the sum of its proper divisors (2941278).

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

2406402 is a wasteful number, since it uses less digits than its factorization.

2406402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44574 (or 44568 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2406402 is about 1551.2581990114. The cubic root of 2406402 is about 134.0055318129.

The spelling of 2406402 in words is "two million, four hundred six thousand, four hundred two".