3698947 has 8 divisors (see below), whose sum is σ = 4317696. Its totient is φ = 3102792.

The previous prime is 3698941. The next prime is 3698953. The reversal of 3698947 is 7498963.

It is an interprime number because it is at equal distance from previous prime (3698941) and next prime (3698953).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3698947 - 2⁷ = 3698819 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3698897 and 3698906.

It is not an unprimeable number, because it can be changed into a prime (3698941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293 + ... + 5950.

It is an arithmetic number, because the mean of its divisors is an integer number (539712).

Almost surely, 2^3698947 is an apocalyptic number.

3698947 is a deficient number, since it is larger than the sum of its proper divisors (618749).

3698947 is a wasteful number, since it uses less digits than its factorization.

3698947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297.

The product of its digits is 326592, while the sum is 46.

The square root of 3698947 is about 1923.2646723735. The cubic root of 3698947 is about 154.6533634226.

It can be divided in two parts, 369 and 8947, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 3698947 in words is "three million, six hundred ninety-eight thousand, nine hundred forty-seven".