1086834438 has 24 divisors (see below), whose sum is σ = 2393413776. Its totient is φ = 356338800.

The previous prime is 1086834391. The next prime is 1086834449. The reversal of 1086834438 is 8344386801.

It is a junction number, because it is equal to n+sod(n) for n = 1086834393 and 1086834402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493818 + ... + 496013.

It is an arithmetic number, because the mean of its divisors is an integer number (99725574).

Almost surely, 2^1086834438 is an apocalyptic number.

1086834438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1086834438 is an abundant number, since it is smaller than the sum of its proper divisors (1306579338).

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

1086834438 is a wasteful number, since it uses less digits than its factorization.

1086834438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989900 (or 989897 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 1086834438 is about 32967.1721262228. The cubic root of 1086834438 is about 1028.1452270765.

The spelling of 1086834438 in words is "one billion, eighty-six million, eight hundred thirty-four thousand, four hundred thirty-eight".