7828497 has 12 divisors (see below), whose sum is σ = 11613940. Its totient is φ = 5077728.

The previous prime is 7828453. The next prime is 7828501. The reversal of 7828497 is 7948287.

Added to its reverse (7948287) it gives a square (15776784 = 3972²).

It can be written as a sum of positive squares in 2 ways, for example, as 7420176 + 408321 = 2724^2 + 639^2 .

It is not a de Polignac number, because 7828497 - 2⁷ = 7828369 is a prime.

It is a super-2 number, since 2×7828497² = 122570730558018, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7828427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11422 + ... + 12087.

Almost surely, 2^7828497 is an apocalyptic number.

It is an amenable number.

7828497 is a deficient number, since it is larger than the sum of its proper divisors (3785443).

7828497 is a wasteful number, since it uses less digits than its factorization.

7828497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23552 (or 23549 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 7828497 is about 2797.9451388474. The cubic root of 7828497 is about 198.5604719876.

Adding to 7828497 its reverse (7948287), we get a square (15776784 = 3972²).

The spelling of 7828497 in words is "seven million, eight hundred twenty-eight thousand, four hundred ninety-seven".