4371949 has 2 divisors, whose sum is σ = 4371950. Its totient is φ = 4371948.

The previous prime is 4371943. The next prime is 4371973. The reversal of 4371949 is 9491734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 2175625 = 1482^2 + 1475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4371949 is a prime.

It is a super-2 number, since 2×4371949² = 38227876117202, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4³ + 3¹¹ + 7³ + 1 + 9 + 4¹¹ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4371943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2185974 + 2185975.

It is an arithmetic number, because the mean of its divisors is an integer number (2185975).

Almost surely, 2^4371949 is an apocalyptic number.

It is an amenable number.

4371949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4371949 is an equidigital number, since it uses as much as digits as its factorization.

4371949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 4371949 is about 2090.9206106402. The cubic root of 4371949 is about 163.5152875318.

It can be divided in two parts, 4 and 371949, that added together give a triangular number (371953 = T₈₆₂).

The spelling of 4371949 in words is "four million, three hundred seventy-one thousand, nine hundred forty-nine".