3806340 has 24 divisors (see below), whose sum is σ = 10657920. Its totient is φ = 1015008.

The previous prime is 3806333. The next prime is 3806347. The reversal of 3806340 is 436083.

It is an interprime number because it is at equal distance from previous prime (3806333) and next prime (3806347).

It is a self number, because there is not a number n which added to its sum of digits gives 3806340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806347) 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, 31660 + ... + 31779.

It is an arithmetic number, because the mean of its divisors is an integer number (444080).

Almost surely, 2^3806340 is an apocalyptic number.

3806340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3806340 is an abundant number, since it is smaller than the sum of its proper divisors (6851580).

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

3806340 is a wasteful number, since it uses less digits than its factorization.

3806340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63451 (or 63449 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3806340 is about 1950.9843669287. The cubic root of 3806340 is about 156.1358120381.

The spelling of 3806340 in words is "three million, eight hundred six thousand, three hundred forty".