236428473 has 8 divisors (see below), whose sum is σ = 315323008. Its totient is φ = 157576464.

The previous prime is 236428453. The next prime is 236428481. The reversal of 236428473 is 374824632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 236428473 - 2⁸ = 236428217 is a prime.

It is a super-2 number, since 2×236428473² = 111796845690223458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236428433) 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, 6111 + ... + 22587.

It is an arithmetic number, because the mean of its divisors is an integer number (39415376).

Almost surely, 2^236428473 is an apocalyptic number.

It is an amenable number.

236428473 is a deficient number, since it is larger than the sum of its proper divisors (78894535).

236428473 is a wasteful number, since it uses less digits than its factorization.

236428473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263.

The product of its digits is 193536, while the sum is 39.

The square root of 236428473 is about 15376.2307800059. The cubic root of 236428473 is about 618.3484252380.

The spelling of 236428473 in words is "two hundred thirty-six million, four hundred twenty-eight thousand, four hundred seventy-three".