3977118 has 48 divisors (see below), whose sum is σ = 9406800. Its totient is φ = 1209600.

The previous prime is 3977117. The next prime is 3977153. The reversal of 3977118 is 8117793.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9718 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (195975).

Almost surely, 2^3977118 is an apocalyptic number.

3977118 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3977118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4703400).

3977118 is an abundant number, since it is smaller than the sum of its proper divisors (5429682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3977118 is a wasteful number, since it uses less digits than its factorization.

3977118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 3977118 is about 1994.2712954861. The cubic root of 3977118 is about 158.4368352504.

It can be divided in two parts, 3977 and 118, that added together give a triangular number (4095 = T₉₀).

The spelling of 3977118 in words is "three million, nine hundred seventy-seven thousand, one hundred eighteen".