3915486 has 32 divisors (see below), whose sum is σ = 8985600. Its totient is φ = 1262520.

The previous prime is 3915479. The next prime is 3915487. The reversal of 3915486 is 6845193.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3915486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

Almost surely, 2^3915486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3915486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4492800).

3915486 is an abundant number, since it is smaller than the sum of its proper divisors (5070114).

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

3915486 is a wasteful number, since it uses less digits than its factorization.

3915486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2375 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3915486 is about 1978.7587018128. The cubic root of 3915486 is about 157.6141576002.

The spelling of 3915486 in words is "three million, nine hundred fifteen thousand, four hundred eighty-six".