190949619 has 24 divisors (see below), whose sum is σ = 301767120. Its totient is φ = 107050944.

The previous prime is 190949599. The next prime is 190949623. The reversal of 190949619 is 916949091.

It is not a de Polignac number, because 190949619 - 2¹³ = 190941427 is a prime.

It is a super-2 number, since 2×190949619² = 72923513992490322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190949699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4464 + ... + 20045.

It is an arithmetic number, because the mean of its divisors is an integer number (12573630).

Almost surely, 2^190949619 is an apocalyptic number.

190949619 is a deficient number, since it is larger than the sum of its proper divisors (110817501).

190949619 is a wasteful number, since it uses less digits than its factorization.

190949619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24579 (or 24572 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 190949619 is about 13818.4521202630. The cubic root of 190949619 is about 575.8458819199.

The spelling of 190949619 in words is "one hundred ninety million, nine hundred forty-nine thousand, six hundred nineteen".