190394250 has 128 divisors (see below), whose sum is σ = 517570560. Its totient is φ = 46440000.

The previous prime is 190394249. The next prime is 190394257. The reversal of 190394250 is 52493091.

It is not an unprimeable number, because it can be changed into a prime (190394257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 441535 + ... + 441965.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^190394250 is an apocalyptic number.

190394250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190394250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258785280).

190394250 is an abundant number, since it is smaller than the sum of its proper divisors (327176310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190394250 is a wasteful number, since it uses less digits than its factorization.

190394250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 190394250 is about 13798.3422917393. The cubic root of 190394250 is about 575.2870652302.

The spelling of 190394250 in words is "one hundred ninety million, three hundred ninety-four thousand, two hundred fifty".