1890241100 has 36 divisors (see below), whose sum is σ = 4474718808. Its totient is φ = 687360000.

The previous prime is 1890241079. The next prime is 1890241109. The reversal of 1890241100 is 11420981.

It is a super-2 number, since 2×1890241100² = 7146022832258420000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1890241100.

It is not an unprimeable number, because it can be changed into a prime (1890241109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 858101 + ... + 860300.

Almost surely, 2^1890241100 is an apocalyptic number.

1890241100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1890241100 is an abundant number, since it is smaller than the sum of its proper divisors (2584477708).

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

1890241100 is a wasteful number, since it uses less digits than its factorization.

1890241100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718426 (or 1718419 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1890241100 is about 43476.9030635808. The cubic root of 1890241100 is about 1236.4381613519.

The spelling of 1890241100 in words is "one billion, eight hundred ninety million, two hundred forty-one thousand, one hundred".