39223087 has 4 divisors (see below), whose sum is σ = 41287480. Its totient is φ = 37158696.

The previous prime is 39223069. The next prime is 39223111. The reversal of 39223087 is 78032293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78032293 = 457 ⋅170749.

It is a cyclic number.

It is not a de Polignac number, because 39223087 - 2⁷ = 39222959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39223057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032168 + ... + 1032205.

It is an arithmetic number, because the mean of its divisors is an integer number (10321870).

Almost surely, 2^39223087 is an apocalyptic number.

39223087 is a deficient number, since it is larger than the sum of its proper divisors (2064393).

39223087 is a wasteful number, since it uses less digits than its factorization.

39223087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064392.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 39223087 is about 6262.8337835200. The cubic root of 39223087 is about 339.7665265648.

The spelling of 39223087 in words is "thirty-nine million, two hundred twenty-three thousand, eighty-seven".