47906154 has 40 divisors (see below), whose sum is σ = 108370020. Its totient is φ = 15816384.

The previous prime is 47906149. The next prime is 47906197. The reversal of 47906154 is 45160974.

It can be written as a sum of positive squares in 2 ways, for example, as 39350529 + 8555625 = 6273^2 + 2925^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16302 + ... + 19014.

Almost surely, 2^47906154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47906154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54185010).

47906154 is an abundant number, since it is smaller than the sum of its proper divisors (60463866).

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

47906154 is a wasteful number, since it uses less digits than its factorization.

47906154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2827 counting only the distinct ones).

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

The square root of 47906154 is about 6921.4271649711. The cubic root of 47906154 is about 363.1871175171.

The spelling of 47906154 in words is "forty-seven million, nine hundred six thousand, one hundred fifty-four".