650423998 has 16 divisors (see below), whose sum is σ = 1173697920. Its totient is φ = 264081816.

The previous prime is 650423993. The next prime is 650424011. The reversal of 650423998 is 899324056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650423993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222336 + ... + 1222867.

It is an arithmetic number, because the mean of its divisors is an integer number (73356120).

Almost surely, 2^650423998 is an apocalyptic number.

650423998 is a deficient number, since it is larger than the sum of its proper divisors (523273922).

650423998 is a wasteful number, since it uses less digits than its factorization.

650423998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445231.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 650423998 is about 25503.4114972880. The cubic root of 650423998 is about 866.4274149906.

The spelling of 650423998 in words is "six hundred fifty million, four hundred twenty-three thousand, nine hundred ninety-eight".