47806890 has 32 divisors (see below), whose sum is σ = 121487040. Its totient is φ = 11998464.

The previous prime is 47806879. The next prime is 47806919. The reversal of 47806890 is 9860874.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46360 + ... + 47379.

It is an arithmetic number, because the mean of its divisors is an integer number (3796470).

Almost surely, 2^47806890 is an apocalyptic number.

47806890 is an abundant number, since it is smaller than the sum of its proper divisors (73680150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47806890 is a wasteful number, since it uses less digits than its factorization.

47806890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93766.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 47806890 is about 6914.2526711135. The cubic root of 47806890 is about 362.9360966367.

The spelling of 47806890 in words is "forty-seven million, eight hundred six thousand, eight hundred ninety".