40386037 has 2 divisors, whose sum is σ = 40386038. Its totient is φ = 40386036.

The previous prime is 40386023. The next prime is 40386041. The reversal of 40386037 is 73068304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26946481 + 13439556 = 5191^2 + 3666^2 .

It is a cyclic number.

It is not a de Polignac number, because 40386037 - 2⁷ = 40385909 is a prime.

It is equal to p_2455771 and since 40386037 and 2455771 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40386097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20193018 + 20193019.

It is an arithmetic number, because the mean of its divisors is an integer number (20193019).

Almost surely, 2^40386037 is an apocalyptic number.

It is an amenable number.

40386037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40386037 is an equidigital number, since it uses as much as digits as its factorization.

40386037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40386037 is about 6355.0009441384. Note that the first 3 decimals coincide. The cubic root of 40386037 is about 343.0918588810.

The spelling of 40386037 in words is "forty million, three hundred eighty-six thousand, thirty-seven".