40974889 has 2 divisors, whose sum is σ = 40974890. Its totient is φ = 40974888.

The previous prime is 40974863. The next prime is 40974893. The reversal of 40974889 is 98847904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37307664 + 3667225 = 6108^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 40974889 - 2⁷ = 40974761 is a prime.

It is not a weakly prime, because it can be changed into another prime (40974809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20487444 + 20487445.

It is an arithmetic number, because the mean of its divisors is an integer number (20487445).

Almost surely, 2^40974889 is an apocalyptic number.

It is an amenable number.

40974889 is a deficient number, since it is larger than the sum of its proper divisors (1).

40974889 is an equidigital number, since it uses as much as digits as its factorization.

40974889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 40974889 is about 6401.1630974378. The cubic root of 40974889 is about 344.7513127647.

The spelling of 40974889 in words is "forty million, nine hundred seventy-four thousand, eight hundred eighty-nine".