1880830 has 32 divisors (see below), whose sum is σ = 3923136. Its totient is φ = 635904.

The previous prime is 1880819. The next prime is 1880831. The reversal of 1880830 is 380881.

1880830 is a nontrivial binomial coefficient, being equal to C(1940, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6652 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (122598).

2^1880830 is an apocalyptic number.

1880830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1880830 is the 1939-th triangular number and also the 970-th hexagonal number.

1880830 is the 647-th centered nonagonal number.

1880830 is an abundant number, since it is smaller than the sum of its proper divisors (2042306).

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

1880830 is a wasteful number, since it uses less digits than its factorization.

1880830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1880830 is about 1371.4335565386. The cubic root of 1880830 is about 123.4382760727.

The spelling of 1880830 in words is "one million, eight hundred eighty thousand, eight hundred thirty".