3400831 has 4 divisors (see below), whose sum is σ = 3886672. Its totient is φ = 2914992.

The previous prime is 3400823. The next prime is 3400841. The reversal of 3400831 is 1380043.

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 3400831 - 2³ = 3400823 is a prime.

It is a super-2 number, since 2×3400831² = 23131302981122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3400799 and 3400808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400841) 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, 242910 + ... + 242923.

It is an arithmetic number, because the mean of its divisors is an integer number (971668).

Almost surely, 2^3400831 is an apocalyptic number.

3400831 is a deficient number, since it is larger than the sum of its proper divisors (485841).

3400831 is an equidigital number, since it uses as much as digits as its factorization.

3400831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485840.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3400831 is about 1844.1342142046. The cubic root of 3400831 is about 150.3817093109.

Adding to 3400831 its reverse (1380043), we get a palindrome (4780874).

The spelling of 3400831 in words is "three million, four hundred thousand, eight hundred thirty-one".