190869464 has 16 divisors (see below), whose sum is σ = 361165200. Its totient is φ = 94558752.

The previous prime is 190869407. The next prime is 190869467. The reversal of 190869464 is 464968091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190869467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108572 + ... + 110315.

It is an arithmetic number, because the mean of its divisors is an integer number (22572825).

Almost surely, 2^190869464 is an apocalyptic number.

It is an amenable number.

190869464 is a deficient number, since it is larger than the sum of its proper divisors (170295736).

190869464 is a wasteful number, since it uses less digits than its factorization.

190869464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219002 (or 218998 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 190869464 is about 13815.5515271740. The cubic root of 190869464 is about 575.7652962889.

The spelling of 190869464 in words is "one hundred ninety million, eight hundred sixty-nine thousand, four hundred sixty-four".