10698990 has 32 divisors (see below), whose sum is σ = 26044416. Its totient is φ = 2812320.

The previous prime is 10698983. The next prime is 10699019. The reversal of 10698990 is 9989601.

It is a super-2 number, since 2×10698990² = 228936774040200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (813888).

Almost surely, 2^10698990 is an apocalyptic number.

10698990 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 10698990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13022208).

10698990 is an abundant number, since it is smaller than the sum of its proper divisors (15345426).

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

10698990 is a wasteful number, since it uses less digits than its factorization.

10698990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 10698990 is about 3270.9310601112. The cubic root of 10698990 is about 220.3506117357.

The spelling of 10698990 in words is "ten million, six hundred ninety-eight thousand, nine hundred ninety".