47388464 has 40 divisors (see below), whose sum is σ = 96636672. Its totient is φ = 22468160.

The previous prime is 47388463. The next prime is 47388499. The reversal of 47388464 is 46488374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47388463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47717 + ... + 48699.

Almost surely, 2^47388464 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 47388464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48318336).

47388464 is an abundant number, since it is smaller than the sum of its proper divisors (49248208).

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

47388464 is a wasteful number, since it uses less digits than its factorization.

47388464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1139 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 47388464 is about 6883.9279484899. The cubic root of 47388464 is about 361.8741359081.

The spelling of 47388464 in words is "forty-seven million, three hundred eighty-eight thousand, four hundred sixty-four".