47800838 has 16 divisors (see below), whose sum is σ = 76962960. Its totient is φ = 22185216.

The previous prime is 47800813. The next prime is 47800861. The reversal of 47800838 is 83800874.

It is a super-2 number, since 2×47800838² = 4569840227004488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7148 + ... + 12111.

It is an arithmetic number, because the mean of its divisors is an integer number (4810185).

Almost surely, 2^47800838 is an apocalyptic number.

47800838 is a deficient number, since it is larger than the sum of its proper divisors (29162122).

47800838 is a wasteful number, since it uses less digits than its factorization.

47800838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19351.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 47800838 is about 6913.8150105423. The cubic root of 47800838 is about 362.9207809786.

The spelling of 47800838 in words is "forty-seven million, eight hundred thousand, eight hundred thirty-eight".