494310637 has 4 divisors (see below), whose sum is σ = 506367036. Its totient is φ = 482254240.

The previous prime is 494310611. The next prime is 494310643. The reversal of 494310637 is 736013494.

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

It can be written as a sum of positive squares in 2 ways, for example, as 191933316 + 302377321 = 13854^2 + 17389^2 .

It is a cyclic number.

It is not a de Polignac number, because 494310637 - 2¹¹ = 494308589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494310596 and 494310605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494310647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6028138 + ... + 6028219.

It is an arithmetic number, because the mean of its divisors is an integer number (126591759).

Almost surely, 2^494310637 is an apocalyptic number.

It is an amenable number.

494310637 is a deficient number, since it is larger than the sum of its proper divisors (12056399).

494310637 is a wasteful number, since it uses less digits than its factorization.

494310637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056398.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 494310637 is about 22233.0977823604. The cubic root of 494310637 is about 790.6786013475.

The spelling of 494310637 in words is "four hundred ninety-four million, three hundred ten thousand, six hundred thirty-seven".