493473420 has 72 divisors (see below), whose sum is σ = 1632954960. Its totient is φ = 119629440.

The previous prime is 493473419. The next prime is 493473439. The reversal of 493473420 is 24374394.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122635 + ... + 126594.

It is an arithmetic number, because the mean of its divisors is an integer number (22679930).

Almost surely, 2^493473420 is an apocalyptic number.

It is an amenable number.

493473420 is an abundant number, since it is smaller than the sum of its proper divisors (1139481540).

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

493473420 is a wasteful number, since it uses less digits than its factorization.

493473420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249255 (or 249250 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 493473420 is about 22214.2616352649. The cubic root of 493473420 is about 790.2319566695.

The spelling of 493473420 in words is "four hundred ninety-three million, four hundred seventy-three thousand, four hundred twenty".