190630 has 16 divisors (see below), whose sum is σ = 374544. Its totient is φ = 69280.

The previous prime is 190613. The next prime is 190633. The reversal of 190630 is 36091.

190630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 190598 and 190607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190633) 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, 757 + ... + 976.

It is an arithmetic number, because the mean of its divisors is an integer number (23409).

2¹⁹⁰⁶³⁰ is an apocalyptic number.

190630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190630 is a deficient number, since it is larger than the sum of its proper divisors (183914).

190630 is a wasteful number, since it uses less digits than its factorization.

190630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 190630 is about 436.6119558601. The cubic root of 190630 is about 57.5524411310.

It can be divided in two parts, 1906 and 30, that added together give a square (1936 = 44²).

The spelling of 190630 in words is "one hundred ninety thousand, six hundred thirty".