949885478 has 4 divisors (see below), whose sum is σ = 1424828220. Its totient is φ = 474942738.

The previous prime is 949885457. The next prime is 949885481. The reversal of 949885478 is 874588949.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 949885478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237471368 + ... + 237471371.

It is an arithmetic number, because the mean of its divisors is an integer number (356207055).

Almost surely, 2^949885478 is an apocalyptic number.

949885478 is a deficient number, since it is larger than the sum of its proper divisors (474942742).

949885478 is a wasteful number, since it uses less digits than its factorization.

949885478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474942741.

The product of its digits is 23224320, while the sum is 62.

The square root of 949885478 is about 30820.2121666935. The cubic root of 949885478 is about 983.0080689483.

The spelling of 949885478 in words is "nine hundred forty-nine million, eight hundred eighty-five thousand, four hundred seventy-eight".