47938437 has 6 divisors (see below), whose sum is σ = 69244422. Its totient is φ = 31958952.

The previous prime is 47938411. The next prime is 47938441. The reversal of 47938437 is 73483974.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47320641 + 617796 = 6879^2 + 786^2 .

It is not a de Polignac number, because 47938437 - 2¹⁰ = 47937413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47938392 and 47938401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47938477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2663238 + ... + 2663255.

It is an arithmetic number, because the mean of its divisors is an integer number (11540737).

Almost surely, 2^47938437 is an apocalyptic number.

It is an amenable number.

47938437 is a deficient number, since it is larger than the sum of its proper divisors (21305985).

47938437 is a wasteful number, since it uses less digits than its factorization.

47938437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326499 (or 5326496 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 47938437 is about 6923.7588779506. The cubic root of 47938437 is about 363.2686807125.

The spelling of 47938437 in words is "forty-seven million, nine hundred thirty-eight thousand, four hundred thirty-seven".