189250630 has 16 divisors (see below), whose sum is σ = 360689760. Its totient is φ = 71247232.

The previous prime is 189250577. The next prime is 189250637. The reversal of 189250630 is 36052981.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189250637) 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, 556450 + ... + 556789.

It is an arithmetic number, because the mean of its divisors is an integer number (22543110).

Almost surely, 2^189250630 is an apocalyptic number.

189250630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189250630 is a deficient number, since it is larger than the sum of its proper divisors (171439130).

189250630 is a wasteful number, since it uses less digits than its factorization.

189250630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113263.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 189250630 is about 13756.8393899180. The cubic root of 189250630 is about 574.1329136535.

The spelling of 189250630 in words is "one hundred eighty-nine million, two hundred fifty thousand, six hundred thirty".