47428858 has 8 divisors (see below), whose sum is σ = 71248320. Its totient is φ = 23679420.

The previous prime is 47428811. The next prime is 47428859. The reversal of 47428858 is 85882474.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47428859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15778 + ... + 18541.

It is an arithmetic number, because the mean of its divisors is an integer number (8906040).

Almost surely, 2^47428858 is an apocalyptic number.

47428858 is a deficient number, since it is larger than the sum of its proper divisors (23819462).

47428858 is a wasteful number, since it uses less digits than its factorization.

47428858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35012.

The product of its digits is 573440, while the sum is 46.

The square root of 47428858 is about 6886.8612589481. The cubic root of 47428858 is about 361.9769273981.

The spelling of 47428858 in words is "forty-seven million, four hundred twenty-eight thousand, eight hundred fifty-eight".