40887383 has 2 divisors, whose sum is σ = 40887384. Its totient is φ = 40887382.

The previous prime is 40887347. The next prime is 40887389. The reversal of 40887383 is 38378804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40887383 - 2¹⁰ = 40886359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40887383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40887389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20443691 + 20443692.

It is an arithmetic number, because the mean of its divisors is an integer number (20443692).

Almost surely, 2^40887383 is an apocalyptic number.

40887383 is a deficient number, since it is larger than the sum of its proper divisors (1).

40887383 is an equidigital number, since it uses as much as digits as its factorization.

40887383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 40887383 is about 6394.3242801722. The cubic root of 40887383 is about 344.5057208091.

The spelling of 40887383 in words is "forty million, eight hundred eighty-seven thousand, three hundred eighty-three".