993284404 has 24 divisors (see below), whose sum is σ = 1988067200. Its totient is φ = 425372256.

The previous prime is 993284389. The next prime is 993284429. The reversal of 993284404 is 404482399.

It is a super-2 number, since 2×993284404² = 1973227814459270432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26494 + ... + 51850.

Almost surely, 2^993284404 is an apocalyptic number.

It is an amenable number.

993284404 is an abundant number, since it is smaller than the sum of its proper divisors (994782796).

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

993284404 is a wasteful number, since it uses less digits than its factorization.

993284404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26767 (or 26765 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 993284404 is about 31516.4148341781. The cubic root of 993284404 is about 997.7564381948.

The spelling of 993284404 in words is "nine hundred ninety-three million, two hundred eighty-four thousand, four hundred four".