7028957 has 4 divisors (see below), whose sum is σ = 7569660. Its totient is φ = 6488256.

The previous prime is 7028947. The next prime is 7028963. The reversal of 7028957 is 7598207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1104601 + 5924356 = 1051^2 + 2434^2 .

It is a cyclic number.

It is not a de Polignac number, because 7028957 - 2⁴ = 7028941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7028957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7028947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270332 + ... + 270357.

It is an arithmetic number, because the mean of its divisors is an integer number (1892415).

Almost surely, 2^7028957 is an apocalyptic number.

It is an amenable number.

7028957 is a deficient number, since it is larger than the sum of its proper divisors (540703).

7028957 is a wasteful number, since it uses less digits than its factorization.

7028957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540702.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 7028957 is about 2651.2180219665. The cubic root of 7028957 is about 191.5565303820.

The spelling of 7028957 in words is "seven million, twenty-eight thousand, nine hundred fifty-seven".