3428738 has 4 divisors (see below), whose sum is σ = 5143110. Its totient is φ = 1714368.

The previous prime is 3428717. The next prime is 3428743. The reversal of 3428738 is 8378243.

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

It can be written as a sum of positive squares in only one way, i.e., 2900209 + 528529 = 1703^2 + 727^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3428698 and 3428707.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857183 + ... + 857186.

Almost surely, 2^3428738 is an apocalyptic number.

3428738 is a deficient number, since it is larger than the sum of its proper divisors (1714372).

3428738 is a wasteful number, since it uses less digits than its factorization.

3428738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714371.

The product of its digits is 32256, while the sum is 35.

The square root of 3428738 is about 1851.6851784253. The cubic root of 3428738 is about 150.7919301383.

The spelling of 3428738 in words is "three million, four hundred twenty-eight thousand, seven hundred thirty-eight".