993917485 has 16 divisors (see below), whose sum is σ = 1309756032. Its totient is φ = 718056000.

The previous prime is 993917471. The next prime is 993917503. The reversal of 993917485 is 584719399.

It is not a de Polignac number, because 993917485 - 2⁵ = 993917453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51534 + ... + 68143.

It is an arithmetic number, because the mean of its divisors is an integer number (81859752).

Almost surely, 2^993917485 is an apocalyptic number.

It is an amenable number.

993917485 is a deficient number, since it is larger than the sum of its proper divisors (315838547).

993917485 is a wasteful number, since it uses less digits than its factorization.

993917485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119844.

The product of its digits is 2449440, while the sum is 55.

The square root of 993917485 is about 31526.4569052724. The cubic root of 993917485 is about 997.9683702759.

The spelling of 993917485 in words is "nine hundred ninety-three million, nine hundred seventeen thousand, four hundred eighty-five".