3698137 has 2 divisors, whose sum is σ = 3698138. Its totient is φ = 3698136.

The previous prime is 3698131. The next prime is 3698143. The reversal of 3698137 is 7318963.

It is a balanced prime because it is at equal distance from previous prime (3698131) and next prime (3698143).

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 389376 = 1819^2 + 624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3698137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3698096 and 3698105.

It is not a weakly prime, because it can be changed into another prime (3698131) 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, 1849068 + 1849069.

It is an arithmetic number, because the mean of its divisors is an integer number (1849069).

Almost surely, 2^3698137 is an apocalyptic number.

It is an amenable number.

3698137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3698137 is an equidigital number, since it uses as much as digits as its factorization.

3698137 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 3698137 is about 1923.0540814028. The cubic root of 3698137 is about 154.6420738701.

The spelling of 3698137 in words is "three million, six hundred ninety-eight thousand, one hundred thirty-seven".