190649944 has 32 divisors (see below), whose sum is σ = 385884000. Its totient is φ = 88033792.

The previous prime is 190649941. The next prime is 190649947. The reversal of 190649944 is 449946091.

190649944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190649941) and next prime (190649947).

It is a super-2 number, since 2×190649944² = 72694802294406272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 190649894 and 190649903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190649941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529 + ... + 23200.

It is an arithmetic number, because the mean of its divisors is an integer number (12058875).

Almost surely, 2^190649944 is an apocalyptic number.

It is an amenable number.

190649944 is an abundant number, since it is smaller than the sum of its proper divisors (195234056).

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

190649944 is a wasteful number, since it uses less digits than its factorization.

190649944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35787 (or 35783 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 190649944 is about 13807.6045713947. The cubic root of 190649944 is about 575.5444813562.

The spelling of 190649944 in words is "one hundred ninety million, six hundred forty-nine thousand, nine hundred forty-four".