614193990 has 32 divisors (see below), whose sum is σ = 1475128800. Its totient is φ = 163666944.

The previous prime is 614193977. The next prime is 614193991. The reversal of 614193990 is 99391416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614193991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39862 + ... + 53078.

It is an arithmetic number, because the mean of its divisors is an integer number (46097775).

Almost surely, 2^614193990 is an apocalyptic number.

614193990 is an abundant number, since it is smaller than the sum of its proper divisors (860934810).

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

614193990 is a wasteful number, since it uses less digits than its factorization.

614193990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14776.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 614193990 is about 24782.9374772241. The cubic root of 614193990 is about 850.0318281046.

The spelling of 614193990 in words is "six hundred fourteen million, one hundred ninety-three thousand, nine hundred ninety".