190782465 has 16 divisors (see below), whose sum is σ = 305987136. Its totient is φ = 101505600.

The previous prime is 190782461. The next prime is 190782479. The reversal of 190782465 is 564287091.

It is not a de Polignac number, because 190782465 - 2² = 190782461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190782461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8791 + ... + 21420.

It is an arithmetic number, because the mean of its divisors is an integer number (19124196).

Almost surely, 2^190782465 is an apocalyptic number.

190782465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190782465 is a deficient number, since it is larger than the sum of its proper divisors (115204671).

190782465 is a wasteful number, since it uses less digits than its factorization.

190782465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30640.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 190782465 is about 13812.4025788420. The cubic root of 190782465 is about 575.6778043516.

The spelling of 190782465 in words is "one hundred ninety million, seven hundred eighty-two thousand, four hundred sixty-five".