8999942 has 8 divisors (see below), whose sum is σ = 15428496. Its totient is φ = 3857112.

The previous prime is 8999927. The next prime is 8999957. The reversal of 8999942 is 2499998.

It is an interprime number because it is at equal distance from previous prime (8999927) and next prime (8999957).

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321413 + ... + 321440.

It is an arithmetic number, because the mean of its divisors is an integer number (1928562).

Almost surely, 2^8999942 is an apocalyptic number.

8999942 is a deficient number, since it is larger than the sum of its proper divisors (6428554).

8999942 is a wasteful number, since it uses less digits than its factorization.

8999942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642862.

The product of its digits is 419904, while the sum is 50.

The square root of 8999942 is about 2999.9903333178. The cubic root of 8999942 is about 208.0079354714.

The spelling of 8999942 in words is "eight million, nine hundred ninety-nine thousand, nine hundred forty-two".