920830 has 8 divisors (see below), whose sum is σ = 1657512.
Its totient is φ = 368328.
The previous prime is 920827. The next prime is 920833. The reversal of 920830 is 38029.
Adding to 920830 its reverse (38029), we get a palindrome (958859).
It is an interprime number because it is at equal distance from previous prime (920827) and next prime (920833).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (920833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46032 + ... + 46051.
It is an arithmetic number, because the mean of its divisors is an integer number (207189).
2920830 is an apocalyptic number.
920830 is a deficient number, since it is larger than the sum of its proper divisors (736682).
920830 is a wasteful number, since it uses less digits than its factorization.
920830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92090.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 920830 is about 959.5988745304.
The cubic root of 920830 is about 97.2881219729.
The spelling of 920830 in words is "nine hundred twenty thousand, eight hundred thirty".