457237438 has 16 divisors (see below), whose sum is σ = 786891744. Its totient is φ = 195194880.

The previous prime is 457237427. The next prime is 457237439. The reversal of 457237438 is 834732754.

It is a junction number, because it is equal to n+sod(n) for n = 457237394 and 457237403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457237439) 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, 59943 + ... + 67138.

It is an arithmetic number, because the mean of its divisors is an integer number (49180734).

Almost surely, 2^457237438 is an apocalyptic number.

457237438 is a deficient number, since it is larger than the sum of its proper divisors (329654306).

457237438 is a wasteful number, since it uses less digits than its factorization.

457237438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127347.

The product of its digits is 564480, while the sum is 43.

The square root of 457237438 is about 21383.1110458698. Note that the first 3 decimals coincide. The cubic root of 457237438 is about 770.3958374040.

The spelling of 457237438 in words is "four hundred fifty-seven million, two hundred thirty-seven thousand, four hundred thirty-eight".