28374461 has 2 divisors, whose sum is σ = 28374462. Its totient is φ = 28374460.

The previous prime is 28374439. The next prime is 28374473. The reversal of 28374461 is 16447382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24068836 + 4305625 = 4906^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 28374461 - 2⁶ = 28374397 is a prime.

It is a super-2 number, since 2×28374461² = 1610220074081042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28374421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14187230 + 14187231.

It is an arithmetic number, because the mean of its divisors is an integer number (14187231).

Almost surely, 2^28374461 is an apocalyptic number.

It is an amenable number.

28374461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28374461 is an equidigital number, since it uses as much as digits as its factorization.

28374461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 28374461 is about 5326.7683448785. The cubic root of 28374461 is about 305.0065787347.

The spelling of 28374461 in words is "twenty-eight million, three hundred seventy-four thousand, four hundred sixty-one".