3401440 has 48 divisors (see below), whose sum is σ = 9186912. Its totient is φ = 1165824.

The previous prime is 3401417. The next prime is 3401443. The reversal of 3401440 is 441043.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401443) 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, 399 + ... + 2638.

It is an arithmetic number, because the mean of its divisors is an integer number (191394).

Almost surely, 2^3401440 is an apocalyptic number.

It is an amenable number.

3401440 is an abundant number, since it is smaller than the sum of its proper divisors (5785472).

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

3401440 is a wasteful number, since it uses less digits than its factorization.

3401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059 (or 3051 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3401440 is about 1844.2993249470. The cubic root of 3401440 is about 150.3906852538.

Adding to 3401440 its reverse (441043), we get a palindrome (3842483).

The spelling of 3401440 in words is "three million, four hundred one thousand, four hundred forty".