494548397 has 16 divisors (see below), whose sum is σ = 615465600. Its totient is φ = 387737280.

The previous prime is 494548381. The next prime is 494548403. The reversal of 494548397 is 793845494.

It is not a de Polignac number, because 494548397 - 2⁴ = 494548381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494548337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60254 + ... + 67967.

It is an arithmetic number, because the mean of its divisors is an integer number (38466600).

Almost surely, 2^494548397 is an apocalyptic number.

It is an amenable number.

494548397 is a deficient number, since it is larger than the sum of its proper divisors (120917203).

494548397 is a wasteful number, since it uses less digits than its factorization.

494548397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128276.

The product of its digits is 4354560, while the sum is 53.

The square root of 494548397 is about 22238.4441227348. Note that the first 3 decimals coincide. The cubic root of 494548397 is about 790.8053513419.

The spelling of 494548397 in words is "four hundred ninety-four million, five hundred forty-eight thousand, three hundred ninety-seven".