299478812 has 6 divisors (see below), whose sum is σ = 524087928. Its totient is φ = 149739404.

The previous prime is 299478797. The next prime is 299478847. The reversal of 299478812 is 218874992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37434848 + ... + 37434855.

It is an arithmetic number, because the mean of its divisors is an integer number (87347988).

Almost surely, 2^299478812 is an apocalyptic number.

It is an amenable number.

299478812 is a deficient number, since it is larger than the sum of its proper divisors (224609116).

299478812 is a wasteful number, since it uses less digits than its factorization.

299478812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74869707 (or 74869705 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 299478812 is about 17305.4561338325. The cubic root of 299478812 is about 669.0450582343.

The spelling of 299478812 in words is "two hundred ninety-nine million, four hundred seventy-eight thousand, eight hundred twelve".