3896040 has 32 divisors (see below), whose sum is σ = 11688480. Its totient is φ = 1038912.

The previous prime is 3896029. The next prime is 3896041. The reversal of 3896040 is 406983.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3895989 and 3896007.

It is not an unprimeable number, because it can be changed into a prime (3896041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16114 + ... + 16353.

It is an arithmetic number, because the mean of its divisors is an integer number (365265).

Almost surely, 2^3896040 is an apocalyptic number.

3896040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3896040 is an abundant number, since it is smaller than the sum of its proper divisors (7792440).

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

3896040 is a wasteful number, since it uses less digits than its factorization.

3896040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32481 (or 32477 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3896040 is about 1973.8388992012. The cubic root of 3896040 is about 157.3527977132.

The spelling of 3896040 in words is "three million, eight hundred ninety-six thousand, forty".