40828937 has 2 divisors, whose sum is σ = 40828938. Its totient is φ = 40828936.

The previous prime is 40828927. The next prime is 40828939. The reversal of 40828937 is 73982804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 175561 = 6376^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 40828937 - 2⁶ = 40828873 is a prime.

Together with 40828939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40828894 and 40828903.

It is not a weakly prime, because it can be changed into another prime (40828939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20414468 + 20414469.

It is an arithmetic number, because the mean of its divisors is an integer number (20414469).

Almost surely, 2^40828937 is an apocalyptic number.

It is an amenable number.

40828937 is a deficient number, since it is larger than the sum of its proper divisors (1).

40828937 is an equidigital number, since it uses as much as digits as its factorization.

40828937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 40828937 is about 6389.7524991192. The cubic root of 40828937 is about 344.3414926177.

The spelling of 40828937 in words is "forty million, eight hundred twenty-eight thousand, nine hundred thirty-seven".