47826840 has 32 divisors (see below), whose sum is σ = 143480880. Its totient is φ = 12753792.

The previous prime is 47826839. The next prime is 47826851. The reversal of 47826840 is 4862874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199159 + ... + 199398.

Almost surely, 2^47826840 is an apocalyptic number.

47826840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47826840 is an abundant number, since it is smaller than the sum of its proper divisors (95654040).

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

47826840 is a wasteful number, since it uses less digits than its factorization.

47826840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398571 (or 398567 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 47826840 is about 6915.6951928205. The cubic root of 47826840 is about 362.9865744945.

The spelling of 47826840 in words is "forty-seven million, eight hundred twenty-six thousand, eight hundred forty".