457633349 has 4 divisors (see below), whose sum is σ = 468795180. Its totient is φ = 446471520.

The previous prime is 457633343. The next prime is 457633361. The reversal of 457633349 is 943336754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943336754 = 2 ⋅471668377.

It can be written as a sum of positive squares in 2 ways, for example, as 247905025 + 209728324 = 15745^2 + 14482^2 .

It is a cyclic number.

It is not a de Polignac number, because 457633349 - 2¹² = 457629253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457633343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5580854 + ... + 5580935.

It is an arithmetic number, because the mean of its divisors is an integer number (117198795).

Almost surely, 2^457633349 is an apocalyptic number.

It is an amenable number.

457633349 is a deficient number, since it is larger than the sum of its proper divisors (11161831).

457633349 is a wasteful number, since it uses less digits than its factorization.

457633349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161830.

The product of its digits is 816480, while the sum is 44.

The square root of 457633349 is about 21392.3666058714. The cubic root of 457633349 is about 770.6181290554.

The spelling of 457633349 in words is "four hundred fifty-seven million, six hundred thirty-three thousand, three hundred forty-nine".