5781900 has 36 divisors (see below), whose sum is σ = 16729832. Its totient is φ = 1541760.

The previous prime is 5781889. The next prime is 5781911. The reversal of 5781900 is 91875.

It is an interprime number because it is at equal distance from previous prime (5781889) and next prime (5781911).

It is a super-2 number, since 2×5781900² = 66860735220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9337 + ... + 9936.

Almost surely, 2^5781900 is an apocalyptic number.

5781900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5781900 is an abundant number, since it is smaller than the sum of its proper divisors (10947932).

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

5781900 is a wasteful number, since it uses less digits than its factorization.

5781900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290 (or 19283 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 5781900 is about 2404.5581714735. The cubic root of 5781900 is about 179.4830848708.

The spelling of 5781900 in words is "five million, seven hundred eighty-one thousand, nine hundred".