437868349 has 2 divisors, whose sum is σ = 437868350. Its totient is φ = 437868348.

The previous prime is 437868331. The next prime is 437868373. The reversal of 437868349 is 943868734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306880324 + 130988025 = 17518^2 + 11445^2 .

It is a cyclic number.

It is not a de Polignac number, because 437868349 - 2¹⁷ = 437737277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 437868296 and 437868305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (437868329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218934174 + 218934175.

It is an arithmetic number, because the mean of its divisors is an integer number (218934175).

Almost surely, 2^437868349 is an apocalyptic number.

It is an amenable number.

437868349 is a deficient number, since it is larger than the sum of its proper divisors (1).

437868349 is an equidigital number, since it uses as much as digits as its factorization.

437868349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 52.

The square root of 437868349 is about 20925.3040360230. The cubic root of 437868349 is about 759.3602354923.

It can be divided in two parts, 4378 and 68349, that added together give a palindrome (72727).

The spelling of 437868349 in words is "four hundred thirty-seven million, eight hundred sixty-eight thousand, three hundred forty-nine".