9949478 has 48 divisors (see below), whose sum is σ = 19789056. Its totient is φ = 3637920.

The previous prime is 9949451. The next prime is 9949487. The reversal of 9949478 is 8749499.

9949478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9949478² = 197984224944968, which contains 22 as substring.

Its product of digits (653184) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187700 + ... + 187752.

It is an arithmetic number, because the mean of its divisors is an integer number (412272).

Almost surely, 2^9949478 is an apocalyptic number.

9949478 is a deficient number, since it is larger than the sum of its proper divisors (9839578).

9949478 is a wasteful number, since it uses less digits than its factorization.

9949478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 96 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 9949478 is about 3154.2793154697. The cubic root of 9949478 is about 215.0800351027.

The spelling of 9949478 in words is "nine million, nine hundred forty-nine thousand, four hundred seventy-eight".