3457928 has 8 divisors (see below), whose sum is σ = 6483630. Its totient is φ = 1728960.

The previous prime is 3457921. The next prime is 3457967. The reversal of 3457928 is 8297543.

It can be written as a sum of positive squares in only one way, i.e., 2748964 + 708964 = 1658^2 + 842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3457891 and 3457900.

It is not an unprimeable number, because it can be changed into a prime (3457921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216113 + ... + 216128.

Almost surely, 2^3457928 is an apocalyptic number.

It is an amenable number.

3457928 is a deficient number, since it is larger than the sum of its proper divisors (3025702).

3457928 is a wasteful number, since it uses less digits than its factorization.

3457928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432247 (or 432243 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 3457928 is about 1859.5504833158. The cubic root of 3457928 is about 151.2186356658.

The spelling of 3457928 in words is "three million, four hundred fifty-seven thousand, nine hundred twenty-eight".