190649712 has 80 divisors (see below), whose sum is σ = 555857280. Its totient is φ = 55776000.

The previous prime is 190649707. The next prime is 190649729. The reversal of 190649712 is 217946091.

190649712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9087 + ... + 21537.

It is an arithmetic number, because the mean of its divisors is an integer number (6948216).

Almost surely, 2^190649712 is an apocalyptic number.

190649712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190649712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277928640).

190649712 is an abundant number, since it is smaller than the sum of its proper divisors (365207568).

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

190649712 is a wasteful number, since it uses less digits than its factorization.

190649712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12502 (or 12496 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 190649712 is about 13807.5961702246. The cubic root of 190649712 is about 575.5442478980.

The spelling of 190649712 in words is "one hundred ninety million, six hundred forty-nine thousand, seven hundred twelve".