434113981 has 12 divisors (see below), whose sum is σ = 505384572. Its totient is φ = 371806848.

The previous prime is 434113961. The next prime is 434114011. The reversal of 434113981 is 189311434.

It can be written as a sum of positive squares in 2 ways, for example, as 315630756 + 118483225 = 17766^2 + 10885^2 .

It is a de Polignac number, because none of the positive numbers 2^k-434113981 is a prime.

It is a super-2 number, since 2×434113981² = 376909896999336722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434113961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80341 + ... + 85573.

It is an arithmetic number, because the mean of its divisors is an integer number (42115381).

Almost surely, 2^434113981 is an apocalyptic number.

It is an amenable number.

434113981 is a deficient number, since it is larger than the sum of its proper divisors (71270591).

434113981 is a wasteful number, since it uses less digits than its factorization.

434113981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940 (or 6933 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 434113981 is about 20835.4021079508. The cubic root of 434113981 is about 757.1837023567.

The spelling of 434113981 in words is "four hundred thirty-four million, one hundred thirteen thousand, nine hundred eighty-one".