434894986 has 32 divisors (see below), whose sum is σ = 705503952. Its totient is φ = 200309760.

The previous prime is 434894981. The next prime is 434894987. The reversal of 434894986 is 689498434.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 104346225 + 330548761 = 10215^2 + 18181^2 .

It is not an unprimeable number, because it can be changed into a prime (434894981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574120 + ... + 574876.

Almost surely, 2^434894986 is an apocalyptic number.

434894986 is a deficient number, since it is larger than the sum of its proper divisors (270608966).

434894986 is a wasteful number, since it uses less digits than its factorization.

434894986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its digits is 5971968, while the sum is 55.

The square root of 434894986 is about 20854.1359446993. The cubic root of 434894986 is about 757.6375078859.

The spelling of 434894986 in words is "four hundred thirty-four million, eight hundred ninety-four thousand, nine hundred eighty-six".