981824412 has 24 divisors (see below), whose sum is σ = 2293050256. Its totient is φ = 326971008.

The previous prime is 981824387. The next prime is 981824413. The reversal of 981824412 is 214428189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981824413) 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, 24313 + ... + 50544.

Almost surely, 2^981824412 is an apocalyptic number.

It is an amenable number.

981824412 is an abundant number, since it is smaller than the sum of its proper divisors (1311225844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981824412 is a wasteful number, since it uses less digits than its factorization.

981824412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75957 (or 75955 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 981824412 is about 31334.0774876172. The cubic root of 981824412 is about 993.9043896988.

The spelling of 981824412 in words is "nine hundred eighty-one million, eight hundred twenty-four thousand, four hundred twelve".