427246637 has 2 divisors, whose sum is σ = 427246638. Its totient is φ = 427246636.

The previous prime is 427246627. The next prime is 427246649. The reversal of 427246637 is 736642724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381264676 + 45981961 = 19526^2 + 6781^2 .

It is a cyclic number.

It is not a de Polignac number, because 427246637 - 2⁸ = 427246381 is a prime.

It is a Chen prime.

It is equal to p_22709498 and since 427246637 and 22709498 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 427246594 and 427246603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427246607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213623318 + 213623319.

It is an arithmetic number, because the mean of its divisors is an integer number (213623319).

Almost surely, 2^427246637 is an apocalyptic number.

It is an amenable number.

427246637 is a deficient number, since it is larger than the sum of its proper divisors (1).

427246637 is an equidigital number, since it uses as much as digits as its factorization.

427246637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 41.

The square root of 427246637 is about 20669.9452587567. The cubic root of 427246637 is about 753.1697767768.

The spelling of 427246637 in words is "four hundred twenty-seven million, two hundred forty-six thousand, six hundred thirty-seven".