47399867 has 8 divisors (see below), whose sum is σ = 48291552. Its totient is φ = 46512000.

The previous prime is 47399857. The next prime is 47399873. The reversal of 47399867 is 76899374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47399867 - 2¹² = 47395771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47399827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38867 + ... + 40067.

It is an arithmetic number, because the mean of its divisors is an integer number (6036444).

Almost surely, 2^47399867 is an apocalyptic number.

47399867 is a deficient number, since it is larger than the sum of its proper divisors (891685).

47399867 is a wasteful number, since it uses less digits than its factorization.

47399867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909.

The product of its digits is 2286144, while the sum is 53.

The square root of 47399867 is about 6884.7561322098. The cubic root of 47399867 is about 361.9031592856.

The spelling of 47399867 in words is "forty-seven million, three hundred ninety-nine thousand, eight hundred sixty-seven".