47938436 has 96 divisors (see below), whose sum is σ = 111992832. Its totient is φ = 17418240.

The previous prime is 47938411. The next prime is 47938441. The reversal of 47938436 is 63483974.

It is a happy number.

It is a super-2 number, since 2×47938436² = 4596187292252192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377405 + ... + 377531.

It is an arithmetic number, because the mean of its divisors is an integer number (1166592).

Almost surely, 2^47938436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47938436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55996416).

47938436 is an abundant number, since it is smaller than the sum of its proper divisors (64054396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47938436 is a wasteful number, since it uses less digits than its factorization.

47938436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 227 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 47938436 is about 6923.7588057355. The cubic root of 47938436 is about 363.2686781866.

The spelling of 47938436 in words is "forty-seven million, nine hundred thirty-eight thousand, four hundred thirty-six".