620012898 has 18 divisors (see below), whose sum is σ = 1343590209. Its totient is φ = 206635752.

The previous prime is 620012873. The next prime is 620012903. The reversal of 620012898 is 898210026.

620012898 is a `hidden beast` number, since 620 + 0 + 1 + 28 + 9 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 492706809 + 127306089 = 22197^2 + 11283^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=17607.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 102708 + ... + 108576.

Almost surely, 2^620012898 is an apocalyptic number.

620012898 is an abundant number, since it is smaller than the sum of its proper divisors (723577311).

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

620012898 is an frugal number, since it uses more digits than its factorization.

620012898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 620012898 is about 24900.0581927031. The cubic root of 620012898 is about 852.7078112705.

The spelling of 620012898 in words is "six hundred twenty million, twelve thousand, eight hundred ninety-eight".