494278307 has 4 divisors (see below), whose sum is σ = 494527080. Its totient is φ = 494029536.

The previous prime is 494278297. The next prime is 494278313. The reversal of 494278307 is 703872494.

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

It is a cyclic number.

It is not a de Polignac number, because 494278307 - 2⁶ = 494278243 is a prime.

It is a super-2 number, since 2×494278307² = 488622089541572498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494278387) 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, 121382 + ... + 125387.

It is an arithmetic number, because the mean of its divisors is an integer number (123631770).

Almost surely, 2^494278307 is an apocalyptic number.

494278307 is a deficient number, since it is larger than the sum of its proper divisors (248773).

494278307 is a wasteful number, since it uses less digits than its factorization.

494278307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248772.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 494278307 is about 22232.3707012995. The cubic root of 494278307 is about 790.6613630669.

The spelling of 494278307 in words is "four hundred ninety-four million, two hundred seventy-eight thousand, three hundred seven".