494400431 has 8 divisors (see below), whose sum is σ = 583256064. Its totient is φ = 410101560.

The previous prime is 494400391. The next prime is 494400451. The reversal of 494400431 is 134004494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494400431 - 2¹⁰ = 494399407 is a prime.

It is a super-2 number, since 2×494400431² = 488863572345971522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494400394 and 494400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494400451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138955 + ... + 1139388.

It is an arithmetic number, because the mean of its divisors is an integer number (72907008).

Almost surely, 2^494400431 is an apocalyptic number.

494400431 is a deficient number, since it is larger than the sum of its proper divisors (88855633).

494400431 is a wasteful number, since it uses less digits than its factorization.

494400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278381.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 494400431 is about 22235.1170673779. The cubic root of 494400431 is about 790.7264753566.

The spelling of 494400431 in words is "four hundred ninety-four million, four hundred thousand, four hundred thirty-one".