190086380 has 24 divisors (see below), whose sum is σ = 435471120. Its totient is φ = 69122240.

The previous prime is 190086331. The next prime is 190086409. The reversal of 190086380 is 83680091.

It is a super-2 number, since 2×190086380² = 72265663723008800, 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 190086380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431795 + ... + 432234.

It is an arithmetic number, because the mean of its divisors is an integer number (18144630).

Almost surely, 2^190086380 is an apocalyptic number.

190086380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190086380 is an abundant number, since it is smaller than the sum of its proper divisors (245384740).

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

190086380 is a wasteful number, since it uses less digits than its factorization.

190086380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864049 (or 864047 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 190086380 is about 13787.1817279675. The cubic root of 190086380 is about 574.9768157004.

The spelling of 190086380 in words is "one hundred ninety million, eighty-six thousand, three hundred eighty".