3520318 has 4 divisors (see below), whose sum is σ = 5280480. Its totient is φ = 1760158.

The previous prime is 3520303. The next prime is 3520333. The reversal of 3520318 is 8130253.

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

It is an interprime number because it is at equal distance from previous prime (3520303) and next prime (3520333).

It is a super-2 number, since 2×3520318² = 24785277642248, 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, 880078 + ... + 880081.

It is an arithmetic number, because the mean of its divisors is an integer number (1320120).

Almost surely, 2^3520318 is an apocalyptic number.

3520318 is a deficient number, since it is larger than the sum of its proper divisors (1760162).

3520318 is a wasteful number, since it uses less digits than its factorization.

3520318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760161.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3520318 is about 1876.2510493002. The cubic root of 3520318 is about 152.1226791216.

The spelling of 3520318 in words is "three million, five hundred twenty thousand, three hundred eighteen".