9428620424 has 8 divisors (see below), whose sum is σ = 17678663310. Its totient is φ = 4714310208.

The previous prime is 9428620417. The next prime is 9428620429. The reversal of 9428620424 is 4240268249.

It can be written as a sum of positive squares in only one way, i.e., 8875524100 + 553096324 = 94210^2 + 23518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (9428620429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589288769 + ... + 589288784.

Almost surely, 2^9428620424 is an apocalyptic number.

It is an amenable number.

9428620424 is a deficient number, since it is larger than the sum of its proper divisors (8250042886).

9428620424 is a wasteful number, since it uses less digits than its factorization.

9428620424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178577559 (or 1178577555 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 9428620424 is about 97101.0835366939. The cubic root of 9428620424 is about 2112.5940426325.

The spelling of 9428620424 in words is "nine billion, four hundred twenty-eight million, six hundred twenty thousand, four hundred twenty-four".