456728658 has 16 divisors (see below), whose sum is σ = 926323776. Its totient is φ = 150098480.

The previous prime is 456728653. The next prime is 456728659. The reversal of 456728658 is 856827654.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 456728658.

It is not an unprimeable number, because it can be changed into a prime (456728651) 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, 535641 + ... + 536492.

It is an arithmetic number, because the mean of its divisors is an integer number (57895236).

Almost surely, 2^456728658 is an apocalyptic number.

456728658 is an abundant number, since it is smaller than the sum of its proper divisors (469595118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

456728658 is a wasteful number, since it uses less digits than its factorization.

456728658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072209.

The product of its digits is 3225600, while the sum is 51.

The square root of 456728658 is about 21371.2109624139. The cubic root of 456728658 is about 770.1099848515.

The spelling of 456728658 in words is "four hundred fifty-six million, seven hundred twenty-eight thousand, six hundred fifty-eight".