47139800 has 24 divisors (see below), whose sum is σ = 109600500. Its totient is φ = 18855840.

The previous prime is 47139751. The next prime is 47139803. The reversal of 47139800 is 893174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47139803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117650 + ... + 118049.

Almost surely, 2^47139800 is an apocalyptic number.

47139800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47139800 is an abundant number, since it is smaller than the sum of its proper divisors (62460700).

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

47139800 is a wasteful number, since it uses less digits than its factorization.

47139800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235715 (or 235706 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 47139800 is about 6865.8429926703. The cubic root of 47139800 is about 361.2400650996.

The spelling of 47139800 in words is "forty-seven million, one hundred thirty-nine thousand, eight hundred".