3538949 has 2 divisors, whose sum is σ = 3538950. Its totient is φ = 3538948.

The previous prime is 3538933. The next prime is 3538973. The reversal of 3538949 is 9498353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2122849 + 1416100 = 1457^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 3538949 - 2⁴ = 3538933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3538919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769474 + 1769475.

It is an arithmetic number, because the mean of its divisors is an integer number (1769475).

Almost surely, 2^3538949 is an apocalyptic number.

It is an amenable number.

3538949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3538949 is an equidigital number, since it uses as much as digits as its factorization.

3538949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 3538949 is about 1881.2094513902. The cubic root of 3538949 is about 152.3905727573.

The spelling of 3538949 in words is "three million, five hundred thirty-eight thousand, nine hundred forty-nine".