190842536 has 64 divisors (see below), whose sum is σ = 390700800. Its totient is φ = 87091200.

The previous prime is 190842529. The next prime is 190842539. The reversal of 190842536 is 635248091.

It is a happy number.

It is a super-2 number, since 2×190842536² = 72841747093822592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 190842536.

It is not an unprimeable number, because it can be changed into a prime (190842539) 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, 704081 + ... + 704351.

It is an arithmetic number, because the mean of its divisors is an integer number (6104700).

Almost surely, 2^190842536 is an apocalyptic number.

It is an amenable number.

190842536 is an abundant number, since it is smaller than the sum of its proper divisors (199858264).

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

190842536 is a wasteful number, since it uses less digits than its factorization.

190842536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 190842536 is about 13814.5769388715. The cubic root of 190842536 is about 575.7382185560.

It can be divided in two parts, 1908 and 42536, that added together give a palindrome (44444).

The spelling of 190842536 in words is "one hundred ninety million, eight hundred forty-two thousand, five hundred thirty-six".