616917498 has 16 divisors (see below), whose sum is σ = 1298773920. Its totient is φ = 194816016.

The previous prime is 616917491. The next prime is 616917559. The reversal of 616917498 is 894719616.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 616917498.

It is not an unprimeable number, because it can be changed into a prime (616917491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705665 + ... + 2705892.

It is an arithmetic number, because the mean of its divisors is an integer number (81173370).

Almost surely, 2^616917498 is an apocalyptic number.

616917498 is an abundant number, since it is smaller than the sum of its proper divisors (681856422).

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

616917498 is a wasteful number, since it uses less digits than its factorization.

616917498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411581.

The product of its digits is 653184, while the sum is 51.

The square root of 616917498 is about 24837.8239385015. The cubic root of 616917498 is about 851.2864018710.

The spelling of 616917498 in words is "six hundred sixteen million, nine hundred seventeen thousand, four hundred ninety-eight".