974999993 has 8 divisors (see below), whose sum is σ = 1066492416. Its totient is φ = 883983600.

The previous prime is 974999989. The next prime is 974999999. The reversal of 974999993 is 399999479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 974999993 - 2² = 974999989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (974999999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114713 + ... + 122918.

It is an arithmetic number, because the mean of its divisors is an integer number (133311552).

Almost surely, 2^974999993 is an apocalyptic number.

It is an amenable number.

974999993 is a deficient number, since it is larger than the sum of its proper divisors (91492423).

974999993 is a wasteful number, since it uses less digits than its factorization.

974999993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238015.

The product of its digits is 44641044, while the sum is 68.

The square root of 974999993 is about 31224.9898799023. The cubic root of 974999993 is about 991.5962389673.

The spelling of 974999993 in words is "nine hundred seventy-four million, nine hundred ninety-nine thousand, nine hundred ninety-three".