38842087 has 2 divisors, whose sum is σ = 38842088. Its totient is φ = 38842086.

The previous prime is 38842081. The next prime is 38842109. The reversal of 38842087 is 78024883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38842087 - 2³ = 38842079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38842081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19421043 + 19421044.

It is an arithmetic number, because the mean of its divisors is an integer number (19421044).

Almost surely, 2^38842087 is an apocalyptic number.

38842087 is a deficient number, since it is larger than the sum of its proper divisors (1).

38842087 is an equidigital number, since it uses as much as digits as its factorization.

38842087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 38842087 is about 6232.3420156471. The cubic root of 38842087 is about 338.6628188479.

The spelling of 38842087 in words is "thirty-eight million, eight hundred forty-two thousand, eighty-seven".