479149546 has 4 divisors (see below), whose sum is σ = 718724322. Its totient is φ = 239574772.

The previous prime is 479149529. The next prime is 479149591. The reversal of 479149546 is 645941974.

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., 474760521 + 4389025 = 21789^2 + 2095^2 .

It is a super-2 number, since 2×479149546² = 459168574864012232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 479149546.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119787385 + ... + 119787388.

Almost surely, 2^479149546 is an apocalyptic number.

479149546 is a deficient number, since it is larger than the sum of its proper divisors (239574776).

479149546 is a wasteful number, since it uses less digits than its factorization.

479149546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239574775.

The product of its digits is 1088640, while the sum is 49.

The square root of 479149546 is about 21889.4848271950. The cubic root of 479149546 is about 782.5108361349.

The spelling of 479149546 in words is "four hundred seventy-nine million, one hundred forty-nine thousand, five hundred forty-six".