3428237 has 4 divisors (see below), whose sum is σ = 3629916. Its totient is φ = 3226560.

The previous prime is 3428231. The next prime is 3428239. The reversal of 3428237 is 7328243.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 1394761 = 1426^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 3428237 - 2⁸ = 3427981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428231) 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, 100814 + ... + 100847.

It is an arithmetic number, because the mean of its divisors is an integer number (907479).

Almost surely, 2^3428237 is an apocalyptic number.

It is an amenable number.

3428237 is a deficient number, since it is larger than the sum of its proper divisors (201679).

3428237 is a wasteful number, since it uses less digits than its factorization.

3428237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201678.

The product of its digits is 8064, while the sum is 29.

The square root of 3428237 is about 1851.5498913073. The cubic root of 3428237 is about 150.7845853137.

The spelling of 3428237 in words is "three million, four hundred twenty-eight thousand, two hundred thirty-seven".