981824434 has 8 divisors (see below), whose sum is σ = 1487318508. Its totient is φ = 486051600.

The previous prime is 981824429. The next prime is 981824479. The reversal of 981824434 is 434428189.

It can be written as a sum of positive squares in 2 ways, for example, as 888218809 + 93605625 = 29803^2 + 9675^2 .

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

It is a super-3 number, since 3×981824434³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430057 + ... + 2430460.

Almost surely, 2^981824434 is an apocalyptic number.

981824434 is a deficient number, since it is larger than the sum of its proper divisors (505494074).

981824434 is a wasteful number, since it uses less digits than its factorization.

981824434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860620.

The product of its digits is 221184, while the sum is 43.

The square root of 981824434 is about 31334.0778386727. The cubic root of 981824434 is about 993.9043971224.

The spelling of 981824434 in words is "nine hundred eighty-one million, eight hundred twenty-four thousand, four hundred thirty-four".