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944431 is a prime number
BaseRepresentation
bin11100110100100101111
31202222111221
43212210233
5220210211
632124211
711012305
oct3464457
91688457
10944431
11595624
12396667
13270b47
141a8275
15139c71
hexe692f

944431 has 2 divisors, whose sum is σ = 944432. Its totient is φ = 944430.

The previous prime is 944429. The next prime is 944453. The reversal of 944431 is 134449.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 944431 - 21 = 944429 is a prime.

It is a super-2 number, since 2×9444312 = 1783899827522, which contains 22 as substring.

Together with 944429, it forms a pair of twin primes.

It is equal to p74518 and since 944431 and 74518 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 944396 and 944405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472215 + 472216.

It is an arithmetic number, because the mean of its divisors is an integer number (472216).

2944431 is an apocalyptic number.

944431 is a deficient number, since it is larger than the sum of its proper divisors (1).

944431 is an equidigital number, since it uses as much as digits as its factorization.

944431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 944431 is about 971.8183986733. The cubic root of 944431 is about 98.1122897245.

The spelling of 944431 in words is "nine hundred forty-four thousand, four hundred thirty-one".