1086294990 has 64 divisors (see below), whose sum is σ = 2869385472. Its totient is φ = 261004800.

The previous prime is 1086294967. The next prime is 1086295003. The reversal of 1086294990 is 994926801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22725 + ... + 51855.

It is an arithmetic number, because the mean of its divisors is an integer number (44834148).

Almost surely, 2^1086294990 is an apocalyptic number.

1086294990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1086294990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434692736).

1086294990 is an abundant number, since it is smaller than the sum of its proper divisors (1783090482).

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

1086294990 is a wasteful number, since it uses less digits than its factorization.

1086294990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29265.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 1086294990 is about 32958.9895172774. The cubic root of 1086294990 is about 1027.9750930139.

The spelling of 1086294990 in words is "one billion, eighty-six million, two hundred ninety-four thousand, nine hundred ninety".