2828641 has 2 divisors, whose sum is σ = 2828642. Its totient is φ = 2828640.

The previous prime is 2828633. The next prime is 2828717. The reversal of 2828641 is 1468282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 6241 = 1680^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828641 - 2³ = 2828633 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2828611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414320 + 1414321.

It is an arithmetic number, because the mean of its divisors is an integer number (1414321).

2^2828641 is an apocalyptic number.

It is an amenable number.

2828641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2828641 is an equidigital number, since it uses as much as digits as its factorization.

2828641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 31.

The square root of 2828641 is about 1681.8564147988. The cubic root of 2828641 is about 141.4249207350.

The spelling of 2828641 in words is "two million, eight hundred twenty-eight thousand, six hundred forty-one".