3428997 has 16 divisors (see below), whose sum is σ = 5371968. Its totient is φ = 1918080.

The previous prime is 3428981. The next prime is 3429007. The reversal of 3428997 is 7998243.

It is not a de Polignac number, because 3428997 - 2⁴ = 3428981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3568 + ... + 4425.

It is an arithmetic number, because the mean of its divisors is an integer number (335748).

Almost surely, 2^3428997 is an apocalyptic number.

It is an amenable number.

3428997 is a deficient number, since it is larger than the sum of its proper divisors (1942971).

3428997 is a wasteful number, since it uses less digits than its factorization.

3428997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020.

The product of its digits is 108864, while the sum is 42.

The square root of 3428997 is about 1851.7551133992. The cubic root of 3428997 is about 150.7957268828.

It can be divided in two parts, 342 and 8997, that added together give a palindrome (9339).

The spelling of 3428997 in words is "three million, four hundred twenty-eight thousand, nine hundred ninety-seven".