457028436 has 12 divisors (see below), whose sum is σ = 1066399712. Its totient is φ = 152342808.

The previous prime is 457028417. The next prime is 457028437. The reversal of 457028436 is 634820754.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 457028394 and 457028403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457028437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19042840 + ... + 19042863.

Almost surely, 2^457028436 is an apocalyptic number.

It is an amenable number.

457028436 is an abundant number, since it is smaller than the sum of its proper divisors (609371276).

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

457028436 is a wasteful number, since it uses less digits than its factorization.

457028436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38085710 (or 38085708 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 457028436 is about 21378.2234060738. The cubic root of 457028436 is about 770.2784375611.

The spelling of 457028436 in words is "four hundred fifty-seven million, twenty-eight thousand, four hundred thirty-six".