3318272 has 20 divisors (see below), whose sum is σ = 6631086. Its totient is φ = 1658880.

The previous prime is 3318251. The next prime is 3318283. The reversal of 3318272 is 2728133.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 1290496 = 1424^2 + 1136^2 .

It is a super-2 number, since 2×3318272² = 22021858131968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2729 + ... + 3752.

Almost surely, 2^3318272 is an apocalyptic number.

3318272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3318272 is a deficient number, since it is larger than the sum of its proper divisors (3312814).

3318272 is an frugal number, since it uses more digits than its factorization.

3318272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499 (or 6483 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 3318272 is about 1821.6124725089. The cubic root of 3318272 is about 149.1548320702.

It can be divided in two parts, 3318 and 272, that multiplied together give a triangular number (902496 = T₁₃₄₃).

The spelling of 3318272 in words is "three million, three hundred eighteen thousand, two hundred seventy-two".