6930428 has 12 divisors (see below), whose sum is σ = 12163872. Its totient is φ = 3455040.

The previous prime is 6930409. The next prime is 6930431. The reversal of 6930428 is 8240396.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6930394 and 6930403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (1013656).

Almost surely, 2^6930428 is an apocalyptic number.

It is an amenable number.

6930428 is a deficient number, since it is larger than the sum of its proper divisors (5233444).

6930428 is a wasteful number, since it uses less digits than its factorization.

6930428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 6930428 is about 2632.5706068404. The cubic root of 6930428 is about 190.6572620483.

Subtracting from 6930428 its sum of digits (32), we obtain a palindrome (6930396).

The spelling of 6930428 in words is "six million, nine hundred thirty thousand, four hundred twenty-eight".