693829490 has 8 divisors (see below), whose sum is σ = 1248893100. Its totient is φ = 277531792.

The previous prime is 693829459. The next prime is 693829547. The reversal of 693829490 is 94928396.

It can be written as a sum of positive squares in 2 ways, for example, as 656948161 + 36881329 = 25631^2 + 6073^2 .

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

It is a super-2 number, since 2×693829490² = 962798722387320200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34691465 + ... + 34691484.

Almost surely, 2^693829490 is an apocalyptic number.

693829490 is a deficient number, since it is larger than the sum of its proper divisors (555063610).

693829490 is a wasteful number, since it uses less digits than its factorization.

693829490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69382956.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 693829490 is about 26340.6433102914. The cubic root of 693829490 is about 885.2873358122.

The spelling of 693829490 in words is "six hundred ninety-three million, eight hundred twenty-nine thousand, four hundred ninety".