457326686 has 4 divisors (see below), whose sum is σ = 685990032. Its totient is φ = 228663342.

The previous prime is 457326671. The next prime is 457326689. The reversal of 457326686 is 686623754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 686623754 = 2 ⋅343311877.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 457326686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457326689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114331670 + ... + 114331673.

It is an arithmetic number, because the mean of its divisors is an integer number (171497508).

Almost surely, 2^457326686 is an apocalyptic number.

457326686 is a deficient number, since it is larger than the sum of its proper divisors (228663346).

457326686 is a wasteful number, since it uses less digits than its factorization.

457326686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228663345.

The product of its digits is 1451520, while the sum is 47.

The square root of 457326686 is about 21385.1978246637. The cubic root of 457326686 is about 770.4459585656.

The spelling of 457326686 in words is "four hundred fifty-seven million, three hundred twenty-six thousand, six hundred eighty-six".