3698247 has 16 divisors (see below), whose sum is σ = 5729792. Its totient is φ = 2077920.

The previous prime is 3698243. The next prime is 3698251. The reversal of 3698247 is 7428963.

It is an interprime number because it is at equal distance from previous prime (3698243) and next prime (3698251).

It is not a de Polignac number, because 3698247 - 2² = 3698243 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 6² + 9⁶ + 8⁷ + 2¹¹ + 4¹⁰ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163 + ... + 2724.

It is an arithmetic number, because the mean of its divisors is an integer number (358112).

Almost surely, 2^3698247 is an apocalyptic number.

3698247 is a deficient number, since it is larger than the sum of its proper divisors (2031545).

3698247 is a wasteful number, since it uses less digits than its factorization.

3698247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958.

The product of its digits is 72576, while the sum is 39.

The square root of 3698247 is about 1923.0826815298. The cubic root of 3698247 is about 154.6436071159.

The spelling of 3698247 in words is "three million, six hundred ninety-eight thousand, two hundred forty-seven".