456539993 has 8 divisors (see below), whose sum is σ = 561895488. Its totient is φ = 361218384.

The previous prime is 456539983. The next prime is 456540013. The reversal of 456539993 is 399935654.

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 456539993 - 2⁴ = 456539977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (456539983) 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, 2508371 + ... + 2508552.

It is an arithmetic number, because the mean of its divisors is an integer number (70236936).

Almost surely, 2^456539993 is an apocalyptic number.

It is an amenable number.

456539993 is a deficient number, since it is larger than the sum of its proper divisors (105355495).

456539993 is a wasteful number, since it uses less digits than its factorization.

456539993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016943.

The product of its digits is 3936600, while the sum is 53.

The square root of 456539993 is about 21366.7965076658. The cubic root of 456539993 is about 770.0039315029.

The spelling of 456539993 in words is "four hundred fifty-six million, five hundred thirty-nine thousand, nine hundred ninety-three".