838300720 has 40 divisors (see below), whose sum is σ = 1952129520. Its totient is φ = 334790400.

The previous prime is 838300699. The next prime is 838300739. The reversal of 838300720 is 27003838.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44770 + ... + 60670.

It is an arithmetic number, because the mean of its divisors is an integer number (48803238).

Almost surely, 2^838300720 is an apocalyptic number.

838300720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

838300720 is an abundant number, since it is smaller than the sum of its proper divisors (1113828800).

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

838300720 is a wasteful number, since it uses less digits than its factorization.

838300720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16573 (or 16567 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 838300720 is about 28953.4232863750. The cubic root of 838300720 is about 942.9021218649.

The spelling of 838300720 in words is "eight hundred thirty-eight million, three hundred thousand, seven hundred twenty".