8400994 has 8 divisors (see below), whose sum is σ = 14401728. Its totient is φ = 3600420.

The previous prime is 8400979. The next prime is 8401013. The reversal of 8400994 is 4990048.

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

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, 300022 + ... + 300049.

It is an arithmetic number, because the mean of its divisors is an integer number (1800216).

Almost surely, 2^8400994 is an apocalyptic number.

8400994 is a deficient number, since it is larger than the sum of its proper divisors (6000734).

8400994 is a wasteful number, since it uses less digits than its factorization.

8400994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600080.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8400994 is about 2898.4468254567. The cubic root of 8400994 is about 203.2872892846.

The spelling of 8400994 in words is "eight million, four hundred thousand, nine hundred ninety-four".