8402942 has 8 divisors (see below), whose sum is σ = 12872736. Its totient is φ = 4112032.

The previous prime is 8402917. The next prime is 8402951. The reversal of 8402942 is 2492048.

8402942 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44603 + ... + 44790.

It is an arithmetic number, because the mean of its divisors is an integer number (1609092).

Almost surely, 2^8402942 is an apocalyptic number.

8402942 is a deficient number, since it is larger than the sum of its proper divisors (4469794).

8402942 is a wasteful number, since it uses less digits than its factorization.

8402942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89442.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8402942 is about 2898.7828480243. The cubic root of 8402942 is about 203.3030006412.

The spelling of 8402942 in words is "eight million, four hundred two thousand, nine hundred forty-two".