182942993 has 4 divisors (see below), whose sum is σ = 184154688. Its totient is φ = 181731300.

The previous prime is 182942983. The next prime is 182942999. The reversal of 182942993 is 399249281.

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, and also an emirpimes, since its reverse is a distinct semiprime: 399249281 = 43 ⋅9284867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-182942993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (182942999) 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, 605621 + ... + 605922.

It is an arithmetic number, because the mean of its divisors is an integer number (46038672).

Almost surely, 2^182942993 is an apocalyptic number.

It is an amenable number.

182942993 is a deficient number, since it is larger than the sum of its proper divisors (1211695).

182942993 is a wasteful number, since it uses less digits than its factorization.

182942993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211694.

The product of its digits is 279936, while the sum is 47.

The square root of 182942993 is about 13525.6420550006. The cubic root of 182942993 is about 567.6821779218.

The spelling of 182942993 in words is "one hundred eighty-two million, nine hundred forty-two thousand, nine hundred ninety-three".