3698737 has 4 divisors (see below), whose sum is σ = 4227136. Its totient is φ = 3170340.

The previous prime is 3698719. The next prime is 3698753. The reversal of 3698737 is 7378963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7378963 = 29 ⋅254447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3698737 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 6 + 9 + 8⁷ + 7³ + 3¹³ + 7³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3698693 and 3698702.

It is not an unprimeable number, because it can be changed into a prime (3698767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264189 + ... + 264202.

It is an arithmetic number, because the mean of its divisors is an integer number (1056784).

Almost surely, 2^3698737 is an apocalyptic number.

It is an amenable number.

3698737 is a deficient number, since it is larger than the sum of its proper divisors (528399).

3698737 is an equidigital number, since it uses as much as digits as its factorization.

3698737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528398.

The product of its digits is 190512, while the sum is 43.

The square root of 3698737 is about 1923.2100769287. The cubic root of 3698737 is about 154.6504366599.

The spelling of 3698737 in words is "three million, six hundred ninety-eight thousand, seven hundred thirty-seven".