46636439 has 2 divisors, whose sum is σ = 46636440. Its totient is φ = 46636438.

The previous prime is 46636409. The next prime is 46636451. The reversal of 46636439 is 93463664.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46636439 is a prime.

It is a super-3 number, since 3×46636439³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 46636396 and 46636405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46636409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23318219 + 23318220.

It is an arithmetic number, because the mean of its divisors is an integer number (23318220).

Almost surely, 2^46636439 is an apocalyptic number.

46636439 is a deficient number, since it is larger than the sum of its proper divisors (1).

46636439 is an equidigital number, since it uses as much as digits as its factorization.

46636439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The square root of 46636439 is about 6829.0877135969. The cubic root of 46636439 is about 359.9496817532.

The spelling of 46636439 in words is "forty-six million, six hundred thirty-six thousand, four hundred thirty-nine".