4026340 has 24 divisors (see below), whose sum is σ = 8685432. Its totient is φ = 1566720.

The previous prime is 4026329. The next prime is 4026343. The reversal of 4026340 is 436204.

It can be written as a sum of positive squares in 4 ways, for example, as 1542564 + 2483776 = 1242^2 + 1576^2 .

It is a super-2 number, since 2×4026340² = 32422827591200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4026343) 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, 1981 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (361893).

Almost surely, 2^4026340 is an apocalyptic number.

It is an amenable number.

4026340 is an abundant number, since it is smaller than the sum of its proper divisors (4659092).

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

4026340 is a wasteful number, since it uses less digits than its factorization.

4026340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487 (or 5485 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4026340 is about 2006.5741949901. The cubic root of 4026340 is about 159.0877776997.

The spelling of 4026340 in words is "four million, twenty-six thousand, three hundred forty".