47915406 has 96 divisors (see below), whose sum is σ = 130830336. Its totient is φ = 12312000.

The previous prime is 47915389. The next prime is 47915411. The reversal of 47915406 is 60451974.

47915406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47915406² = 4591772264289672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250771 + ... + 250961.

It is an arithmetic number, because the mean of its divisors is an integer number (1362816).

Almost surely, 2^47915406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47915406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65415168).

47915406 is an abundant number, since it is smaller than the sum of its proper divisors (82914930).

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

47915406 is a wasteful number, since it uses less digits than its factorization.

47915406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 47915406 is about 6922.0954919735. The cubic root of 47915406 is about 363.2104964962.

The spelling of 47915406 in words is "forty-seven million, nine hundred fifteen thousand, four hundred six".