47449028 has 12 divisors (see below), whose sum is σ = 90584592. Its totient is φ = 21567720.

The previous prime is 47449027. The next prime is 47449079. The reversal of 47449028 is 82094474.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47448982 and 47449000.

It is not an unprimeable number, because it can be changed into a prime (47449021) 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, 539150 + ... + 539237.

It is an arithmetic number, because the mean of its divisors is an integer number (7548716).

Almost surely, 2^47449028 is an apocalyptic number.

It is an amenable number.

47449028 is a deficient number, since it is larger than the sum of its proper divisors (43135564).

47449028 is a wasteful number, since it uses less digits than its factorization.

47449028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078402 (or 1078400 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47449028 is about 6888.3254859218. The cubic root of 47449028 is about 362.0282325894.

The spelling of 47449028 in words is "forty-seven million, four hundred forty-nine thousand, twenty-eight".