308994480 has 80 divisors (see below), whose sum is σ = 1064321760. Its totient is φ = 82397952.

The previous prime is 308994467. The next prime is 308994487. The reversal of 308994480 is 84499803.

It is a happy number.

308994480 is a `hidden beast` number, since 3 + 0 + 89 + 94 + 480 = 666.

308994480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (308994487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69367 + ... + 73686.

It is an arithmetic number, because the mean of its divisors is an integer number (13304022).

Almost surely, 2^308994480 is an apocalyptic number.

308994480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

308994480 is an abundant number, since it is smaller than the sum of its proper divisors (755327280).

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

308994480 is a wasteful number, since it uses less digits than its factorization.

308994480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143075 (or 143063 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 308994480 is about 17578.2388196315. The cubic root of 308994480 is about 676.0574044129.

The spelling of 308994480 in words is "three hundred eight million, nine hundred ninety-four thousand, four hundred eighty".