190646946 has 160 divisors (see below), whose sum is σ = 515750400. Its totient is φ = 52581312.

The previous prime is 190646927. The next prime is 190646971. The reversal of 190646946 is 649646091.

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 79 ways as a sum of consecutive naturals, for example, 2611566 + ... + 2611638.

It is an arithmetic number, because the mean of its divisors is an integer number (3223440).

Almost surely, 2^190646946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190646946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257875200).

190646946 is an abundant number, since it is smaller than the sum of its proper divisors (325103454).

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

190646946 is an equidigital number, since it uses as much as digits as its factorization.

190646946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 190646946 is about 13807.4960076040. The cubic root of 190646946 is about 575.5414644982.

The spelling of 190646946 in words is "one hundred ninety million, six hundred forty-six thousand, nine hundred forty-six".