493023900 has 72 divisors (see below), whose sum is σ = 1439907840. Its totient is φ = 130235840.

The previous prime is 493023889. The next prime is 493023959. The reversal of 493023900 is 9320394.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 24421 + ... + 39779.

It is an arithmetic number, because the mean of its divisors is an integer number (19998720).

Almost surely, 2^493023900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493023900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719953920).

493023900 is an abundant number, since it is smaller than the sum of its proper divisors (946883940).

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

493023900 is a wasteful number, since it uses less digits than its factorization.

493023900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483 (or 15476 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 493023900 is about 22204.1415055840. The cubic root of 493023900 is about 789.9919349708.

The spelling of 493023900 in words is "four hundred ninety-three million, twenty-three thousand, nine hundred".