47890297 has 12 divisors (see below), whose sum is σ = 59995236. Its totient is φ = 37890720.

The previous prime is 47890291. The next prime is 47890333. The reversal of 47890297 is 79209874.

It can be written as a sum of positive squares in 2 ways, for example, as 17464041 + 30426256 = 4179^2 + 5516^2 .

It is not a de Polignac number, because 47890297 - 2³ = 47890289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47890291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36954 + ... + 38227.

It is an arithmetic number, because the mean of its divisors is an integer number (4999603).

Almost surely, 2^47890297 is an apocalyptic number.

It is an amenable number.

47890297 is a deficient number, since it is larger than the sum of its proper divisors (12104939).

47890297 is a wasteful number, since it uses less digits than its factorization.

47890297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75208 (or 75201 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 47890297 is about 6920.2815694161. The cubic root of 47890297 is about 363.1470412904.

The spelling of 47890297 in words is "forty-seven million, eight hundred ninety thousand, two hundred ninety-seven".