861093424 has 20 divisors (see below), whose sum is σ = 1669685544. Its totient is φ = 430206848.

The previous prime is 861093421. The next prime is 861093427. The reversal of 861093424 is 424390168.

861093424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (861093421) and next prime (861093427).

It is not an unprimeable number, because it can be changed into a prime (861093421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324 + ... + 41500.

Almost surely, 2^861093424 is an apocalyptic number.

It is an amenable number.

861093424 is a deficient number, since it is larger than the sum of its proper divisors (808592120).

861093424 is a wasteful number, since it uses less digits than its factorization.

861093424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42492 (or 42486 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 861093424 is about 29344.3933997621. The cubic root of 861093424 is about 951.3713984597.

The spelling of 861093424 in words is "eight hundred sixty-one million, ninety-three thousand, four hundred twenty-four".