47980436 has 48 divisors (see below), whose sum is σ = 99950592. Its totient is φ = 19720800.

The previous prime is 47980433. The next prime is 47980459. The reversal of 47980436 is 63408974.

It is a junction number, because it is equal to n+sod(n) for n = 47980393 and 47980402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47980433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144791 + ... + 145121.

It is an arithmetic number, because the mean of its divisors is an integer number (2082304).

Almost surely, 2^47980436 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 47980436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49975296).

47980436 is an abundant number, since it is smaller than the sum of its proper divisors (51970156).

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

47980436 is a wasteful number, since it uses less digits than its factorization.

47980436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 47980436 is about 6926.7911762951. The cubic root of 47980436 is about 363.3747366522.

The spelling of 47980436 in words is "forty-seven million, nine hundred eighty thousand, four hundred thirty-six".