47089644 has 48 divisors (see below), whose sum is σ = 128502528. Its totient is φ = 13140288.

The previous prime is 47089639. The next prime is 47089663. The reversal of 47089644 is 44698074.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 47089596 and 47089605.

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, 2907 + ... + 10130.

It is an arithmetic number, because the mean of its divisors is an integer number (2677136).

Almost surely, 2^47089644 is an apocalyptic number.

It is an amenable number.

47089644 is an abundant number, since it is smaller than the sum of its proper divisors (81412884).

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

47089644 is a wasteful number, since it uses less digits than its factorization.

47089644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094 (or 13092 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 47089644 is about 6862.1894465251. The cubic root of 47089644 is about 361.1119017331. Note that the first 3 decimals are identical.

The spelling of 47089644 in words is "forty-seven million, eighty-nine thousand, six hundred forty-four".