1925830 has 8 divisors (see below), whose sum is σ = 3466512. Its totient is φ = 770328.

The previous prime is 1925827. The next prime is 1925837. The reversal of 1925830 is 385291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96282 + ... + 96301.

It is an arithmetic number, because the mean of its divisors is an integer number (433314).

2^1925830 is an apocalyptic number.

1925830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1925830 is a deficient number, since it is larger than the sum of its proper divisors (1540682).

1925830 is a wasteful number, since it uses less digits than its factorization.

1925830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192590.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1925830 is about 1387.7427715539. The cubic root of 1925830 is about 124.4149728844.

The spelling of 1925830 in words is "one million, nine hundred twenty-five thousand, eight hundred thirty".