28466461 has 2 divisors, whose sum is σ = 28466462. Its totient is φ = 28466460.

The previous prime is 28466437. The next prime is 28466467. The reversal of 28466461 is 16466482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 3276100 = 5019^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 28466461 - 2¹⁷ = 28335389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28466461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28466467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14233230 + 14233231.

It is an arithmetic number, because the mean of its divisors is an integer number (14233231).

Almost surely, 2^28466461 is an apocalyptic number.

It is an amenable number.

28466461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28466461 is an equidigital number, since it uses as much as digits as its factorization.

28466461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 28466461 is about 5335.3969861670. The cubic root of 28466461 is about 305.3358693634.

It can be divided in two parts, 28 and 466461, that added together give a square (466489 = 683²).

The spelling of 28466461 in words is "twenty-eight million, four hundred sixty-six thousand, four hundred sixty-one".