3440691 has 24 divisors (see below), whose sum is σ = 5394960. Its totient is φ = 2166912.

The previous prime is 3440683. The next prime is 3440719. The reversal of 3440691 is 1960443.

It is not a de Polignac number, because 3440691 - 2³ = 3440683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3440621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9571 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (224790).

Almost surely, 2^3440691 is an apocalyptic number.

3440691 is a deficient number, since it is larger than the sum of its proper divisors (1954269).

3440691 is a wasteful number, since it uses less digits than its factorization.

3440691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3440691 is about 1854.9099708611. The cubic root of 3440691 is about 150.9669532816.

The spelling of 3440691 in words is "three million, four hundred forty thousand, six hundred ninety-one".