949859853 has 32 divisors (see below), whose sum is σ = 1376911872. Its totient is φ = 580224000.

The previous prime is 949859849. The next prime is 949859857. The reversal of 949859853 is 358958949.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (949859849) and next prime (949859857).

It is not a de Polignac number, because 949859853 - 2² = 949859849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949859857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312700 + ... + 315722.

It is an arithmetic number, because the mean of its divisors is an integer number (43028496).

Almost surely, 2^949859853 is an apocalyptic number.

It is an amenable number.

949859853 is a deficient number, since it is larger than the sum of its proper divisors (427052019).

949859853 is a wasteful number, since it uses less digits than its factorization.

949859853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its digits is 13996800, while the sum is 60.

The square root of 949859853 is about 30819.7964464401. The cubic root of 949859853 is about 982.9992293535. Note that the first 3 decimals are identical.

The spelling of 949859853 in words is "nine hundred forty-nine million, eight hundred fifty-nine thousand, eight hundred fifty-three".