994577902 has 8 divisors (see below), whose sum is σ = 1492377912. Its totient is φ = 497118600.

The previous prime is 994577897. The next prime is 994577923. The reversal of 994577902 is 209775499.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 994577902.

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, 77749 + ... + 89632.

It is an arithmetic number, because the mean of its divisors is an integer number (186547239).

Almost surely, 2^994577902 is an apocalyptic number.

994577902 is a deficient number, since it is larger than the sum of its proper divisors (497800010).

994577902 is a wasteful number, since it uses less digits than its factorization.

994577902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170354.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 994577902 is about 31536.9291783458. The cubic root of 994577902 is about 998.1893575526.

The spelling of 994577902 in words is "nine hundred ninety-four million, five hundred seventy-seven thousand, nine hundred two".