304200400 has 60 divisors (see below), whose sum is σ = 835255072. Its totient is φ = 104296320.

The previous prime is 304200367. The next prime is 304200409. The reversal of 304200400 is 4002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304200409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51522 + ... + 57121.

Almost surely, 2^304200400 is an apocalyptic number.

It is an amenable number.

304200400 is an abundant number, since it is smaller than the sum of its proper divisors (531054672).

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

304200400 is a wasteful number, since it uses less digits than its factorization.

304200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108668 (or 108657 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 304200400 is about 17441.3416915099. The cubic root of 304200400 is about 672.5427988774.

Adding to 304200400 its reverse (4002403), we get a palindrome (308202803).

It can be divided in two parts, 304 and 200400, that added together give a square (200704 = 448²).

The spelling of 304200400 in words is "three hundred four million, two hundred thousand, four hundred".