3914647 has 8 divisors (see below), whose sum is σ = 4298112. Its totient is φ = 3535800.

The previous prime is 3914621. The next prime is 3914663. The reversal of 3914647 is 7464193.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3914647 is a prime.

It is a super-2 number, since 2×3914647² = 30648922269218, which contains 22 as substring.

It is a Duffinian number.

3914647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914747) 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, 772 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (537264).

Almost surely, 2^3914647 is an apocalyptic number.

3914647 is a deficient number, since it is larger than the sum of its proper divisors (383465).

3914647 is a wasteful number, since it uses less digits than its factorization.

3914647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its digits is 18144, while the sum is 34.

The square root of 3914647 is about 1978.5466888603. The cubic root of 3914647 is about 157.6028990809.

It can be divided in two parts, 39146 and 47, that added together give a palindrome (39193).

The spelling of 3914647 in words is "three million, nine hundred fourteen thousand, six hundred forty-seven".