190864810 has 16 divisors (see below), whose sum is σ = 358494336. Its totient is φ = 73026448.

The previous prime is 190864771. The next prime is 190864813. The reversal of 190864810 is 18468091.

It is a happy number.

190864810 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190864810² = 72858751392672200, 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 190864810.

It is not an unprimeable number, because it can be changed into a prime (190864813) 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, 414694 + ... + 415153.

It is an arithmetic number, because the mean of its divisors is an integer number (22405896).

Almost surely, 2^190864810 is an apocalyptic number.

190864810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190864810 is a deficient number, since it is larger than the sum of its proper divisors (167629526).

190864810 is a wasteful number, since it uses less digits than its factorization.

190864810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829877.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 190864810 is about 13815.3830927702. The cubic root of 190864810 is about 575.7606165924.

The spelling of 190864810 in words is "one hundred ninety million, eight hundred sixty-four thousand, eight hundred ten".