3401691 has 4 divisors (see below), whose sum is σ = 4535592. Its totient is φ = 2267792.

The previous prime is 3401689. The next prime is 3401707. The reversal of 3401691 is 1961043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3401691 - 2¹ = 3401689 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3401611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566946 + ... + 566951.

It is an arithmetic number, because the mean of its divisors is an integer number (1133898).

Almost surely, 2^3401691 is an apocalyptic number.

3401691 is a deficient number, since it is larger than the sum of its proper divisors (1133901).

3401691 is a wasteful number, since it uses less digits than its factorization.

3401691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133900.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3401691 is about 1844.3673712143. The cubic root of 3401691 is about 150.3943843865.

Subtracting from 3401691 its product of nonzero digits (648), we obtain a palindrome (3401043).

The spelling of 3401691 in words is "three million, four hundred one thousand, six hundred ninety-one".