196929381 has 16 divisors (see below), whose sum is σ = 298897920. Its totient is φ = 114161520.

The previous prime is 196929361. The next prime is 196929409. The reversal of 196929381 is 183929691.

It is not a de Polignac number, because 196929381 - 2¹⁴ = 196912997 is a prime.

It is a super-2 number, since 2×196929381² = 77562362202086322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196929381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196929301) 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, 128971 + ... + 130488.

It is an arithmetic number, because the mean of its divisors is an integer number (18681120).

Almost surely, 2^196929381 is an apocalyptic number.

196929381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

196929381 is a deficient number, since it is larger than the sum of its proper divisors (101968539).

196929381 is a wasteful number, since it uses less digits than its factorization.

196929381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259496.

The product of its digits is 209952, while the sum is 48.

The square root of 196929381 is about 14033.1529244144. The cubic root of 196929381 is about 581.7952510131.

The spelling of 196929381 in words is "one hundred ninety-six million, nine hundred twenty-nine thousand, three hundred eighty-one".