450234393 has 24 divisors (see below), whose sum is σ = 735081120. Its totient is φ = 243734400.

The previous prime is 450234391. The next prime is 450234397. The reversal of 450234393 is 393432054.

It is not a de Polignac number, because 450234393 - 2¹ = 450234391 is a prime.

It is a super-2 number, since 2×450234393² = 405422017280156898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450234391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77808 + ... + 83393.

It is an arithmetic number, because the mean of its divisors is an integer number (30628380).

Almost surely, 2^450234393 is an apocalyptic number.

It is an amenable number.

450234393 is a deficient number, since it is larger than the sum of its proper divisors (284846727).

450234393 is a wasteful number, since it uses less digits than its factorization.

450234393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161237 (or 161230 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 450234393 is about 21218.7274123591. The cubic root of 450234393 is about 766.4424593490.

The spelling of 450234393 in words is "four hundred fifty million, two hundred thirty-four thousand, three hundred ninety-three".