190949312 has 56 divisors (see below), whose sum is σ = 401031456. Its totient is φ = 90021888.

The previous prime is 190949299. The next prime is 190949323. The reversal of 190949312 is 213949091.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 106568 + ... + 108344.

It is an arithmetic number, because the mean of its divisors is an integer number (7161276).

Almost surely, 2^190949312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190949312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200515728).

190949312 is an abundant number, since it is smaller than the sum of its proper divisors (210082144).

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

190949312 is a wasteful number, since it uses less digits than its factorization.

190949312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 190949312 is about 13818.4410119232. The cubic root of 190949312 is about 575.8455733135.

The spelling of 190949312 in words is "one hundred ninety million, nine hundred forty-nine thousand, three hundred twelve".