190486518 has 16 divisors (see below), whose sum is σ = 381124656. Its totient is φ = 63470240.

The previous prime is 190486501. The next prime is 190486519. The reversal of 190486518 is 815684091.

It is a super-2 number, since 2×190486518² = 72570227079528648, 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 190486518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190486519) 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, 16180 + ... + 25352.

It is an arithmetic number, because the mean of its divisors is an integer number (23820291).

Almost surely, 2^190486518 is an apocalyptic number.

190486518 is an abundant number, since it is smaller than the sum of its proper divisors (190638138).

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

190486518 is a wasteful number, since it uses less digits than its factorization.

190486518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12639.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 190486518 is about 13801.6853318716. The cubic root of 190486518 is about 575.3799812272.

The spelling of 190486518 in words is "one hundred ninety million, four hundred eighty-six thousand, five hundred eighteen".