47899305 has 24 divisors (see below), whose sum is σ = 84269952. Its totient is φ = 25163424.

The previous prime is 47899303. The next prime is 47899307. The reversal of 47899305 is 50399874.

It is an interprime number because it is at equal distance from previous prime (47899303) and next prime (47899307).

It is not a de Polignac number, because 47899305 - 2¹ = 47899303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (47899303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4929 + ... + 10958.

It is an arithmetic number, because the mean of its divisors is an integer number (3511248).

Almost surely, 2^47899305 is an apocalyptic number.

47899305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47899305 is a deficient number, since it is larger than the sum of its proper divisors (36370647).

47899305 is a wasteful number, since it uses less digits than its factorization.

47899305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15965 (or 15962 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 47899305 is about 6920.9323793836. The cubic root of 47899305 is about 363.1698087658.

The spelling of 47899305 in words is "forty-seven million, eight hundred ninety-nine thousand, three hundred five".