190463 has 18 divisors (see below), whose sum is σ = 250344. Its totient is φ = 144144.

The previous prime is 190409. The next prime is 190471. The reversal of 190463 is 364091.

It is not a de Polignac number, because 190463 - 2⁸ = 190207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 190463.

It is not an unprimeable number, because it can be changed into a prime (190403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8270 + ... + 8292.

It is an arithmetic number, because the mean of its divisors is an integer number (13908).

2¹⁹⁰⁴⁶³ is an apocalyptic number.

190463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

190463 is a deficient number, since it is larger than the sum of its proper divisors (59881).

190463 is a wasteful number, since it uses less digits than its factorization.

190463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 190463 is about 436.4206686215. The cubic root of 190463 is about 57.5356300910.

Multiplying 190463 by its sum of digits (23), we get a square (4380649 = 2093²).

190463 divided by its sum of digits (23) gives a square (8281 = 91²).

The spelling of 190463 in words is "one hundred ninety thousand, four hundred sixty-three".