196844690 has 64 divisors (see below), whose sum is σ = 419344128. Its totient is φ = 65126400.

The previous prime is 196844677. The next prime is 196844723. The reversal of 196844690 is 96448691.

It is a happy number.

It is a super-2 number, since 2×196844690² = 77495663962392200, 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, 306770 + ... + 307410.

It is an arithmetic number, because the mean of its divisors is an integer number (6552252).

Almost surely, 2^196844690 is an apocalyptic number.

196844690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196844690 is an abundant number, since it is smaller than the sum of its proper divisors (222499438).

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

196844690 is a wasteful number, since it uses less digits than its factorization.

196844690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 196844690 is about 14030.1350670619. The cubic root of 196844690 is about 581.7118372086.

The spelling of 196844690 in words is "one hundred ninety-six million, eight hundred forty-four thousand, six hundred ninety".