47687398 has 8 divisors (see below), whose sum is σ = 78033960. Its totient is φ = 21676080.

The previous prime is 47687389. The next prime is 47687407. The reversal of 47687398 is 89378674.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47687389) and next prime (47687407).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083783 + ... + 1083826.

It is an arithmetic number, because the mean of its divisors is an integer number (9754245).

Almost surely, 2^47687398 is an apocalyptic number.

47687398 is a deficient number, since it is larger than the sum of its proper divisors (30346562).

47687398 is a wasteful number, since it uses less digits than its factorization.

47687398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167622.

The product of its digits is 2032128, while the sum is 52.

The square root of 47687398 is about 6905.6062731668. The cubic root of 47687398 is about 362.6334614402.

The spelling of 47687398 in words is "forty-seven million, six hundred eighty-seven thousand, three hundred ninety-eight".