494628407 has 8 divisors (see below), whose sum is σ = 608773536. Its totient is φ = 391354272.

The previous prime is 494628403. The next prime is 494628439. The reversal of 494628407 is 704826494.

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 494628407 - 2² = 494628403 is a prime.

It is a super-2 number, since 2×494628407² = 489314522022715298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494628403) 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, 2717648 + ... + 2717829.

It is an arithmetic number, because the mean of its divisors is an integer number (76096692).

Almost surely, 2^494628407 is an apocalyptic number.

494628407 is a deficient number, since it is larger than the sum of its proper divisors (114145129).

494628407 is a wasteful number, since it uses less digits than its factorization.

494628407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435497.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 494628407 is about 22240.2429618024. The cubic root of 494628407 is about 790.8479955838.

The spelling of 494628407 in words is "four hundred ninety-four million, six hundred twenty-eight thousand, four hundred seven".