299220804 has 75 divisors (see below), whose sum is σ = 808296335. Its totient is φ = 96522840.

The previous prime is 299220793. The next prime is 299220821. The reversal of 299220804 is 408022992.

The square root of 299220804 is 17298.

It is a perfect power (a square), and thus also a powerful number.

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=93.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 9652269 + ... + 9652299.

Almost surely, 2^299220804 is an apocalyptic number.

299220804 is the 17298-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299220804

299220804 is an abundant number, since it is smaller than the sum of its proper divisors (509075531).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299220804 is an frugal number, since it uses more digits than its factorization.

299220804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The cubic root of 299220804 is about 668.8528703777.

Multiplying 299220804 by its sum of digits (36), we get a square (10771948944 = 103788²).

299220804 divided by its sum of digits (36) gives a square (8311689 = 2883²).

Multiplying 299220804 by its product of nonzero digits (20736), we get a square (6204642591744 = 2490912²).

The spelling of 299220804 in words is "two hundred ninety-nine million, two hundred twenty thousand, eight hundred four".