10619994 has 64 divisors (see below), whose sum is σ = 26836992. Its totient is φ = 2721600.

The previous prime is 10619989. The next prime is 10620007. The reversal of 10619994 is 49991601.

It is a super-2 number, since 2×10619994² = 225568545120072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58584 + ... + 58764.

It is an arithmetic number, because the mean of its divisors is an integer number (419328).

Almost surely, 2^10619994 is an apocalyptic number.

10619994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10619994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13418496).

10619994 is an abundant number, since it is smaller than the sum of its proper divisors (16216998).

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

10619994 is a wasteful number, since it uses less digits than its factorization.

10619994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 10619994 is about 3258.8332267853. The cubic root of 10619994 is about 219.8069518636.

It can be divided in two parts, 106 and 19994, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 10619994 in words is "ten million, six hundred nineteen thousand, nine hundred ninety-four".