3918497 has 8 divisors (see below), whose sum is σ = 4318272. Its totient is φ = 3526000.

The previous prime is 3918491. The next prime is 3918511. The reversal of 3918497 is 7948193.

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 not a de Polignac number, because 3918497 - 2¹⁸ = 3656353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3918491) 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, 653 + ... + 2874.

It is an arithmetic number, because the mean of its divisors is an integer number (539784).

Almost surely, 2^3918497 is an apocalyptic number.

It is an amenable number.

3918497 is a deficient number, since it is larger than the sum of its proper divisors (399775).

3918497 is a wasteful number, since it uses less digits than its factorization.

3918497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its digits is 54432, while the sum is 41.

The square root of 3918497 is about 1979.5193861137. The cubic root of 3918497 is about 157.6545488936.

It can be divided in two parts, 391 and 8497, that added together give a palindrome (8888).

The spelling of 3918497 in words is "three million, nine hundred eighteen thousand, four hundred ninety-seven".