891842034 has 16 divisors (see below), whose sum is σ = 1786629888. Its totient is φ = 296789712.

The previous prime is 891842023. The next prime is 891842051. The reversal of 891842034 is 430248198.

It is a junction number, because it is equal to n+sod(n) for n = 891841983 and 891842001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118797 + ... + 126080.

It is an arithmetic number, because the mean of its divisors is an integer number (111664368).

Almost surely, 2^891842034 is an apocalyptic number.

891842034 is an abundant number, since it is smaller than the sum of its proper divisors (894787854).

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

891842034 is a wasteful number, since it uses less digits than its factorization.

891842034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245489.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 891842034 is about 29863.7243826017. The cubic root of 891842034 is about 962.5633295936.

The spelling of 891842034 in words is "eight hundred ninety-one million, eight hundred forty-two thousand, thirty-four".