47935469 has 4 divisors (see below), whose sum is σ = 47956380. Its totient is φ = 47914560.

The previous prime is 47935451. The next prime is 47935493. The reversal of 47935469 is 96453974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96453974 = 2 ⋅48226987.

It can be written as a sum of positive squares in 2 ways, for example, as 44382244 + 3553225 = 6662^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 47935469 - 2⁸ = 47935213 is a prime.

It is a super-3 number, since 3×47935469³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47935409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6524 + ... + 11765.

It is an arithmetic number, because the mean of its divisors is an integer number (11989095).

Almost surely, 2^47935469 is an apocalyptic number.

It is an amenable number.

47935469 is a deficient number, since it is larger than the sum of its proper divisors (20911).

47935469 is a wasteful number, since it uses less digits than its factorization.

47935469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910.

The product of its digits is 816480, while the sum is 47.

The square root of 47935469 is about 6923.5445401904. The cubic root of 47935469 is about 363.2611835713.

The spelling of 47935469 in words is "forty-seven million, nine hundred thirty-five thousand, four hundred sixty-nine".