3401831 has 2 divisors, whose sum is σ = 3401832. Its totient is φ = 3401830.

The previous prime is 3401809. The next prime is 3401833. The reversal of 3401831 is 1381043.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1381043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3401831 - 2⁶ = 3401767 is a prime.

It is a super-2 number, since 2×3401831² = 23144908305122, which contains 22 as substring.

Together with 3401833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700915 + 1700916.

It is an arithmetic number, because the mean of its divisors is an integer number (1700916).

Almost surely, 2^3401831 is an apocalyptic number.

3401831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401831 is an equidigital number, since it uses as much as digits as its factorization.

3401831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3401831 is about 1844.4053242170. The cubic root of 3401831 is about 150.3964475687.

Adding to 3401831 its reverse (1381043), we get a palindrome (4782874).

The spelling of 3401831 in words is "three million, four hundred one thousand, eight hundred thirty-one".