313840546 has 4 divisors (see below), whose sum is σ = 470760822. Its totient is φ = 156920272.

The previous prime is 313840489. The next prime is 313840601. The reversal of 313840546 is 645048313.

It is a happy number.

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., 313821225 + 19321 = 17715^2 + 139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78460135 + ... + 78460138.

Almost surely, 2^313840546 is an apocalyptic number.

313840546 is a deficient number, since it is larger than the sum of its proper divisors (156920276).

313840546 is a wasteful number, since it uses less digits than its factorization.

313840546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156920275.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 313840546 is about 17715.5453204241. The cubic root of 313840546 is about 679.5733670456.

Adding to 313840546 its reverse (645048313), we get a palindrome (958888859).

The spelling of 313840546 in words is "three hundred thirteen million, eight hundred forty thousand, five hundred forty-six".