47638250 has 64 divisors (see below), whose sum is σ = 103109760. Its totient is φ = 16288000.

The previous prime is 47638249. The next prime is 47638259. The reversal of 47638250 is 5283674.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47638250.

It is not an unprimeable number, because it can be changed into a prime (47638259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46241 + ... + 47259.

It is an arithmetic number, because the mean of its divisors is an integer number (1611090).

Almost surely, 2^47638250 is an apocalyptic number.

47638250 is an abundant number, since it is smaller than the sum of its proper divisors (55471510).

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

47638250 is a wasteful number, since it uses less digits than its factorization.

47638250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 47638250 is about 6902.0467978709. The cubic root of 47638250 is about 362.5088384686.

The spelling of 47638250 in words is "forty-seven million, six hundred thirty-eight thousand, two hundred fifty".