1890480829 has 18 divisors (see below), whose sum is σ = 2034869946. Its totient is φ = 1755609120.

The previous prime is 1890480827. The next prime is 1890480863. The reversal of 1890480829 is 9280840981.

It can be written as a sum of positive squares in 3 ways, for example, as 677560900 + 1212919929 = 26030^2 + 34827^2 .

It is not a de Polignac number, because 1890480829 - 2¹ = 1890480827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890480827) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6452007 + ... + 6452299.

Almost surely, 2^1890480829 is an apocalyptic number.

1890480829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1890480829 is a deficient number, since it is larger than the sum of its proper divisors (144389117).

1890480829 is an frugal number, since it uses more digits than its factorization.

1890480829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 1890480829 is about 43479.6599457723. The cubic root of 1890480829 is about 1236.4904293852.

The spelling of 1890480829 in words is "one billion, eight hundred ninety million, four hundred eighty thousand, eight hundred twenty-nine".