196067690 has 32 divisors (see below), whose sum is σ = 434367360. Its totient is φ = 62051904.

The previous prime is 196067639. The next prime is 196067693. The reversal of 196067690 is 96760691.

It is a happy number.

It is a super-2 number, since 2×196067690² = 76885078123872200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (196067693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106820 + ... + 108639.

It is an arithmetic number, because the mean of its divisors is an integer number (13573980).

Almost surely, 2^196067690 is an apocalyptic number.

196067690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196067690 is an abundant number, since it is smaller than the sum of its proper divisors (238299670).

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

196067690 is a wasteful number, since it uses less digits than its factorization.

196067690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215486.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 196067690 is about 14002.4172913108. The cubic root of 196067690 is about 580.9454358480.

The spelling of 196067690 in words is "one hundred ninety-six million, sixty-seven thousand, six hundred ninety".