979393089 has 8 divisors (see below), whose sum is σ = 1311611040. Its totient is φ = 650051936.

The previous prime is 979393087. The next prime is 979393091. The reversal of 979393089 is 980393979.

It is an interprime number because it is at equal distance from previous prime (979393087) and next prime (979393091).

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 979393089 - 2¹ = 979393087 is a prime.

It is a super-3 number, since 3×979393089³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (979393087) 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, 718404 + ... + 719765.

It is an arithmetic number, because the mean of its divisors is an integer number (163951380).

Almost surely, 2^979393089 is an apocalyptic number.

It is an amenable number.

979393089 is a deficient number, since it is larger than the sum of its proper divisors (332217951).

979393089 is a wasteful number, since it uses less digits than its factorization.

979393089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438399.

The product of its (nonzero) digits is 3306744, while the sum is 57.

The square root of 979393089 is about 31295.2566533652. The cubic root of 979393089 is about 993.0832992170.

The spelling of 979393089 in words is "nine hundred seventy-nine million, three hundred ninety-three thousand, eighty-nine".