47338140 has 48 divisors (see below), whose sum is σ = 138313728. Its totient is φ = 12074304.

The previous prime is 47338129. The next prime is 47338153. The reversal of 47338140 is 4183374.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47338098 and 47338107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15772 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (2881536).

Almost surely, 2^47338140 is an apocalyptic number.

It is an amenable number.

47338140 is an abundant number, since it is smaller than the sum of its proper divisors (90975588).

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

47338140 is a wasteful number, since it uses less digits than its factorization.

47338140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34338 (or 34336 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 47338140 is about 6880.2717969569. The cubic root of 47338140 is about 361.7459935810.

The spelling of 47338140 in words is "forty-seven million, three hundred thirty-eight thousand, one hundred forty".