620650298 has 16 divisors (see below), whose sum is σ = 938234880. Its totient is φ = 307914000.

The previous prime is 620650271. The next prime is 620650301. The reversal of 620650298 is 892056026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165848 + ... + 169548.

It is an arithmetic number, because the mean of its divisors is an integer number (58639680).

Almost surely, 2^620650298 is an apocalyptic number.

620650298 is a deficient number, since it is larger than the sum of its proper divisors (317584582).

620650298 is a wasteful number, since it uses less digits than its factorization.

620650298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 620650298 is about 24912.8540717438. The cubic root of 620650298 is about 852.9999179962. Note that the first 4 decimals are identical.

The spelling of 620650298 in words is "six hundred twenty million, six hundred fifty thousand, two hundred ninety-eight".