9701428 has 24 divisors (see below), whose sum is σ = 19162080. Its totient is φ = 4257120.

The previous prime is 9701413. The next prime is 9701431. The reversal of 9701428 is 8241079.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9701428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (798420).

Almost surely, 2^9701428 is an apocalyptic number.

It is an amenable number.

9701428 is a deficient number, since it is larger than the sum of its proper divisors (9460652).

9701428 is a wasteful number, since it uses less digits than its factorization.

9701428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7647 (or 7645 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 9701428 is about 3114.7115436265. The cubic root of 9701428 is about 213.2775885165.

The spelling of 9701428 in words is "nine million, seven hundred one thousand, four hundred twenty-eight".