40386337 has 2 divisors, whose sum is σ = 40386338. Its totient is φ = 40386336.

The previous prime is 40386329. The next prime is 40386341. The reversal of 40386337 is 73368304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39050001 + 1336336 = 6249^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 40386337 - 2³ = 40386329 is a prime.

It is not a weakly prime, because it can be changed into another prime (40386037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20193168 + 20193169.

It is an arithmetic number, because the mean of its divisors is an integer number (20193169).

Almost surely, 2^40386337 is an apocalyptic number.

It is an amenable number.

40386337 is a deficient number, since it is larger than the sum of its proper divisors (1).

40386337 is an equidigital number, since it uses as much as digits as its factorization.

40386337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 40386337 is about 6355.0245475529. The cubic root of 40386337 is about 343.0927084098.

The spelling of 40386337 in words is "forty million, three hundred eighty-six thousand, three hundred thirty-seven".