994454979 has 32 divisors (see below), whose sum is σ = 1635793920. Its totient is φ = 524802432.

The previous prime is 994454941. The next prime is 994454987. The reversal of 994454979 is 979454499.

It is a happy number.

It is not a de Polignac number, because 994454979 - 2¹⁷ = 994323907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994454179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21492 + ... + 49505.

It is an arithmetic number, because the mean of its divisors is an integer number (51118560).

Almost surely, 2^994454979 is an apocalyptic number.

994454979 is a deficient number, since it is larger than the sum of its proper divisors (641338941).

994454979 is a wasteful number, since it uses less digits than its factorization.

994454979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71059.

The product of its digits is 14696640, while the sum is 60.

The square root of 994454979 is about 31534.9802441670. The cubic root of 994454979 is about 998.1482327413.

The spelling of 994454979 in words is "nine hundred ninety-four million, four hundred fifty-four thousand, nine hundred seventy-nine".