189796080 has 40 divisors (see below), whose sum is σ = 588368592. Its totient is φ = 50612224.

The previous prime is 189796067. The next prime is 189796081. The reversal of 189796080 is 80697981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189796081) 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, 395169 + ... + 395648.

Almost surely, 2^189796080 is an apocalyptic number.

189796080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189796080 is an abundant number, since it is smaller than the sum of its proper divisors (398572512).

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

189796080 is a wasteful number, since it uses less digits than its factorization.

189796080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790833 (or 790827 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 189796080 is about 13776.6498104583. The cubic root of 189796080 is about 574.6839649570.

The spelling of 189796080 in words is "one hundred eighty-nine million, seven hundred ninety-six thousand, eighty".