455782394 has 4 divisors (see below), whose sum is σ = 683673594. Its totient is φ = 227891196.

The previous prime is 455782387. The next prime is 455782399. The reversal of 455782394 is 493287554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 452115169 + 3667225 = 21263^2 + 1915^2 .

It is not an unprimeable number, because it can be changed into a prime (455782399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113945597 + ... + 113945600.

Almost surely, 2^455782394 is an apocalyptic number.

455782394 is a deficient number, since it is larger than the sum of its proper divisors (227891200).

455782394 is a wasteful number, since it uses less digits than its factorization.

455782394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227891199.

The product of its digits is 1209600, while the sum is 47.

The square root of 455782394 is about 21349.0607287534. The cubic root of 455782394 is about 769.5777715498.

The spelling of 455782394 in words is "four hundred fifty-five million, seven hundred eighty-two thousand, three hundred ninety-four".