47898454 has 4 divisors (see below), whose sum is σ = 71847684. Its totient is φ = 23949226.

The previous prime is 47898451. The next prime is 47898457. The reversal of 47898454 is 45489874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47898451) and next prime (47898457).

It is a junction number, because it is equal to n+sod(n) for n = 47898398 and 47898407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47898451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11974612 + ... + 11974615.

It is an arithmetic number, because the mean of its divisors is an integer number (17961921).

Almost surely, 2^47898454 is an apocalyptic number.

47898454 is a deficient number, since it is larger than the sum of its proper divisors (23949230).

47898454 is a wasteful number, since it uses less digits than its factorization.

47898454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23949229.

The product of its digits is 1290240, while the sum is 49.

The square root of 47898454 is about 6920.8708989548. The cubic root of 47898454 is about 363.1676580085.

The spelling of 47898454 in words is "forty-seven million, eight hundred ninety-eight thousand, four hundred fifty-four".