457820934 has 24 divisors (see below), whose sum is σ = 957189912. Its totient is φ = 145970880.

The previous prime is 457820933. The next prime is 457821029. The reversal of 457820934 is 439028754.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457820933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68947 + ... + 75294.

It is an arithmetic number, because the mean of its divisors is an integer number (39882913).

Almost surely, 2^457820934 is an apocalyptic number.

457820934 is an abundant number, since it is smaller than the sum of its proper divisors (499368978).

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

457820934 is a wasteful number, since it uses less digits than its factorization.

457820934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144292 (or 144269 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 457820934 is about 21396.7505476883. The cubic root of 457820934 is about 770.7234074078.

The spelling of 457820934 in words is "four hundred fifty-seven million, eight hundred twenty thousand, nine hundred thirty-four".