47706399 has 12 divisors (see below), whose sum is σ = 74210136. Its totient is φ = 29357712.

The previous prime is 47706383. The next prime is 47706409. The reversal of 47706399 is 99360774.

47706399 is a `hidden beast` number, since 4 + 7 + 7 + 0 + 639 + 9 = 666.

It is not a de Polignac number, because 47706399 - 2⁴ = 47706383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47706499) 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 11 ways as a sum of consecutive naturals, for example, 203757 + ... + 203990.

It is an arithmetic number, because the mean of its divisors is an integer number (6184178).

Almost surely, 2^47706399 is an apocalyptic number.

47706399 is a deficient number, since it is larger than the sum of its proper divisors (26503737).

47706399 is a wasteful number, since it uses less digits than its factorization.

47706399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407766 (or 407763 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 47706399 is about 6906.9819023941. The cubic root of 47706399 is about 362.6816187014.

The spelling of 47706399 in words is "forty-seven million, seven hundred six thousand, three hundred ninety-nine".