3428831 has 4 divisors (see below), whose sum is σ = 3918672. Its totient is φ = 2938992.

The previous prime is 3428819. The next prime is 3428833. The reversal of 3428831 is 1388243.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-3428831 is a prime.

It is a super-2 number, since 2×3428831² = 23513764053122, 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 = 3428794 and 3428803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428833) 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 in 3 ways as a sum of consecutive naturals, for example, 244910 + ... + 244923.

It is an arithmetic number, because the mean of its divisors is an integer number (979668).

Almost surely, 2^3428831 is an apocalyptic number.

3428831 is a deficient number, since it is larger than the sum of its proper divisors (489841).

3428831 is an equidigital number, since it uses as much as digits as its factorization.

3428831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489840.

The product of its digits is 4608, while the sum is 29.

The square root of 3428831 is about 1851.7102905152. The cubic root of 3428831 is about 150.7932934701.

The spelling of 3428831 in words is "three million, four hundred twenty-eight thousand, eight hundred thirty-one".