47798149 has 8 divisors (see below), whose sum is σ = 55168128. Its totient is φ = 40563600.

The previous prime is 47798143. The next prime is 47798161. The reversal of 47798149 is 94189774.

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

It is not a de Polignac number, because 47798149 - 2⁷ = 47798021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47798143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33097 + ... + 34510.

It is an arithmetic number, because the mean of its divisors is an integer number (6896016).

Almost surely, 2^47798149 is an apocalyptic number.

It is an amenable number.

47798149 is a deficient number, since it is larger than the sum of its proper divisors (7369979).

47798149 is a wasteful number, since it uses less digits than its factorization.

47798149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67715.

The product of its digits is 508032, while the sum is 49.

The square root of 47798149 is about 6913.6205420894. The cubic root of 47798149 is about 362.9139755730.

The spelling of 47798149 in words is "forty-seven million, seven hundred ninety-eight thousand, one hundred forty-nine".