47238890 has 16 divisors (see below), whose sum is σ = 85857408. Its totient is φ = 18711696.

The previous prime is 47238889. The next prime is 47238911. The reversal of 47238890 is 9883274.

It is a Curzon number.

It is a plaindrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21902 + ... + 23961.

It is an arithmetic number, because the mean of its divisors is an integer number (5366088).

Almost surely, 2^47238890 is an apocalyptic number.

47238890 is a deficient number, since it is larger than the sum of its proper divisors (38618518).

47238890 is a wasteful number, since it uses less digits than its factorization.

47238890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45973.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 47238890 is about 6873.0553613368. The cubic root of 47238890 is about 361.4930022935.

The spelling of 47238890 in words is "forty-seven million, two hundred thirty-eight thousand, eight hundred ninety".