923401 has 4 divisors (see below), whose sum is σ = 927252. Its totient is φ = 919552.
The previous prime is 923399. The next prime is 923407. The reversal of 923401 is 104329.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 672400 + 251001 = 820^2 + 501^2 .
It is a cyclic number.
It is not a de Polignac number, because 923401 - 21 = 923399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (923407) 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, 1540 + ... + 2053.
It is an arithmetic number, because the mean of its divisors is an integer number (231813).
2923401 is an apocalyptic number.
923401 is the 514-th nonagonal number.
It is an amenable number.
923401 is a deficient number, since it is larger than the sum of its proper divisors (3851).
923401 is a wasteful number, since it uses less digits than its factorization.
923401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3850.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 923401 is about 960.9375630081. The cubic root of 923401 is about 97.3785821492.
The spelling of 923401 in words is "nine hundred twenty-three thousand, four hundred one".
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