993542974 has 4 divisors (see below), whose sum is σ = 1490314464. Its totient is φ = 496771486.

The previous prime is 993542941. The next prime is 993542999. The reversal of 993542974 is 479245399.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479245399 = 31 ⋅15459529.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248385742 + ... + 248385745.

It is an arithmetic number, because the mean of its divisors is an integer number (372578616).

Almost surely, 2^993542974 is an apocalyptic number.

993542974 is a deficient number, since it is larger than the sum of its proper divisors (496771490).

993542974 is a wasteful number, since it uses less digits than its factorization.

993542974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496771489.

The product of its digits is 2449440, while the sum is 52.

The square root of 993542974 is about 31520.5167153078. The cubic root of 993542974 is about 997.8430087339.

The spelling of 993542974 in words is "nine hundred ninety-three million, five hundred forty-two thousand, nine hundred seventy-four".