457293389 has 16 divisors (see below), whose sum is σ = 532288512. Its totient is φ = 384766848.

The previous prime is 457293379. The next prime is 457293391. The reversal of 457293389 is 983392754.

457293389 = T₆₂ + T₆₃ + ... + T₁₃₉₉.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 457293389 - 2¹² = 457289293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457293329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111947 + ... + 115959.

It is an arithmetic number, because the mean of its divisors is an integer number (33268032).

Almost surely, 2^457293389 is an apocalyptic number.

It is an amenable number.

457293389 is a deficient number, since it is larger than the sum of its proper divisors (74995123).

457293389 is a wasteful number, since it uses less digits than its factorization.

457293389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316.

The product of its digits is 1632960, while the sum is 50.

The square root of 457293389 is about 21384.4193047181. The cubic root of 457293389 is about 770.4272599253.

The spelling of 457293389 in words is "four hundred fifty-seven million, two hundred ninety-three thousand, three hundred eighty-nine".