933980389 has 4 divisors (see below), whose sum is σ = 974588256. Its totient is φ = 893372524.

The previous prime is 933980387. The next prime is 933980401. The reversal of 933980389 is 983089339.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 933980389 - 2¹ = 933980387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (933980387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20303899 + ... + 20303944.

It is an arithmetic number, because the mean of its divisors is an integer number (243647064).

Almost surely, 2^933980389 is an apocalyptic number.

It is an amenable number.

933980389 is a deficient number, since it is larger than the sum of its proper divisors (40607867).

933980389 is a wasteful number, since it uses less digits than its factorization.

933980389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40607866.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 933980389 is about 30561.0927324270. The cubic root of 933980389 is about 977.4905911536.

The spelling of 933980389 in words is "nine hundred thirty-three million, nine hundred eighty thousand, three hundred eighty-nine".