6925428 has 18 divisors (see below), whose sum is σ = 17506034. Its totient is φ = 2308464.

The previous prime is 6925423. The next prime is 6925439. The reversal of 6925428 is 8245296.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6906384 + 19044 = 2628^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 192373 = 6925428 / (6 + 9 + 2 + 5 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 6925392 and 6925401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6925421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96151 + ... + 96222.

Almost surely, 2^6925428 is an apocalyptic number.

It is an amenable number.

6925428 is an abundant number, since it is smaller than the sum of its proper divisors (10580606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6925428 is a wasteful number, since it uses less digits than its factorization.

6925428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192383 (or 192378 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6925428 is about 2631.6207933515. The cubic root of 6925428 is about 190.6114007319.

The spelling of 6925428 in words is "six million, nine hundred twenty-five thousand, four hundred twenty-eight".