10819970 has 16 divisors (see below), whose sum is σ = 22258368. Its totient is φ = 3709680.

The previous prime is 10819967. The next prime is 10819979. The reversal of 10819970 is 7991801.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 10819970.

It is not an unprimeable number, because it can be changed into a prime (10819979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77216 + ... + 77355.

It is an arithmetic number, because the mean of its divisors is an integer number (1391148).

Almost surely, 2^10819970 is an apocalyptic number.

10819970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10819970 is an abundant number, since it is smaller than the sum of its proper divisors (11438398).

10819970 is a wasteful number, since it uses less digits than its factorization.

10819970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154585.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 10819970 is about 3289.3722805423. The cubic root of 10819970 is about 221.1780469740.

The spelling of 10819970 in words is "ten million, eight hundred nineteen thousand, nine hundred seventy".