493897980 has 24 divisors (see below), whose sum is σ = 1382914512. Its totient is φ = 131706112.

The previous prime is 493897919. The next prime is 493897981. The reversal of 493897980 is 89798394.

It is a self number, because there is not a number n which added to its sum of digits gives 493897980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493897981) 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, 4115757 + ... + 4115876.

It is an arithmetic number, because the mean of its divisors is an integer number (57621438).

Almost surely, 2^493897980 is an apocalyptic number.

It is an amenable number.

493897980 is an abundant number, since it is smaller than the sum of its proper divisors (889016532).

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

493897980 is a wasteful number, since it uses less digits than its factorization.

493897980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231645 (or 8231643 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 493897980 is about 22223.8156039866. The cubic root of 493897980 is about 790.4585171391.

The spelling of 493897980 in words is "four hundred ninety-three million, eight hundred ninety-seven thousand, nine hundred eighty".