1890419950 has 24 divisors (see below), whose sum is σ = 3525642648. Its totient is φ = 754133280.

The previous prime is 1890419917. The next prime is 1890419977. The reversal of 1890419950 is 599140981.

It is a self number, because there is not a number n which added to its sum of digits gives 1890419950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32032 + ... + 69331.

It is an arithmetic number, because the mean of its divisors is an integer number (146901777).

Almost surely, 2^1890419950 is an apocalyptic number.

1890419950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1890419950 is a deficient number, since it is larger than the sum of its proper divisors (1635222698).

1890419950 is a wasteful number, since it uses less digits than its factorization.

1890419950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101748 (or 101743 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 1890419950 is about 43478.9598541639. The cubic root of 1890419950 is about 1236.4771563759.

The spelling of 1890419950 in words is "one billion, eight hundred ninety million, four hundred nineteen thousand, nine hundred fifty".