47897240 has 32 divisors (see below), whose sum is σ = 110684880. Its totient is φ = 18640512.

The previous prime is 47897237. The next prime is 47897243. The reversal of 47897240 is 4279874.

It is an interprime number because it is at equal distance from previous prime (47897237) and next prime (47897243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47897243) 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, 14702 + ... + 17661.

Almost surely, 2^47897240 is an apocalyptic number.

47897240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47897240 is an abundant number, since it is smaller than the sum of its proper divisors (62787640).

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

47897240 is a wasteful number, since it uses less digits than its factorization.

47897240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32411 (or 32407 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 47897240 is about 6920.7831926741. The cubic root of 47897240 is about 363.1645897865.

The spelling of 47897240 in words is "forty-seven million, eight hundred ninety-seven thousand, two hundred forty".