1935990 has 72 divisors (see below), whose sum is σ = 5868720. Its totient is φ = 441504.

The previous prime is 1935961. The next prime is 1935991. The reversal of 1935990 is 995391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1935991) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4191 + ... + 4629.

It is an arithmetic number, because the mean of its divisors is an integer number (81510).

2^1935990 is an apocalyptic number.

1935990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1935990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934360).

1935990 is an abundant number, since it is smaller than the sum of its proper divisors (3932730).

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

1935990 is a wasteful number, since it uses less digits than its factorization.

1935990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 1935990 is about 1391.3985769721. The cubic root of 1935990 is about 124.6333790975.

The spelling of 1935990 in words is "one million, nine hundred thirty-five thousand, nine hundred ninety".