4920869 has 4 divisors (see below), whose sum is σ = 4959744. Its totient is φ = 4881996.

The previous prime is 4920841. The next prime is 4920887. The reversal of 4920869 is 9680294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4920869 - 2⁸ = 4920613 is a prime.

It is a super-2 number, since 2×4920869² = 48429903430322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4920269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19247 + ... + 19500.

It is an arithmetic number, because the mean of its divisors is an integer number (1239936).

Almost surely, 2^4920869 is an apocalyptic number.

It is an amenable number.

4920869 is a deficient number, since it is larger than the sum of its proper divisors (38875).

4920869 is a wasteful number, since it uses less digits than its factorization.

4920869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38874.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 4920869 is about 2218.3031803611. The cubic root of 4920869 is about 170.0907128323.

The spelling of 4920869 in words is "four million, nine hundred twenty thousand, eight hundred sixty-nine".