3331945 has 8 divisors (see below), whose sum is σ = 4014720. Its totient is φ = 2654640.

The previous prime is 3331943. The next prime is 3331957. The reversal of 3331945 is 5491333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3331945 - 2¹ = 3331943 is a prime.

It is a super-2 number, since 2×3331945² = 22203714966050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3331943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126 + ... + 2584.

It is an arithmetic number, because the mean of its divisors is an integer number (501840).

Almost surely, 2^3331945 is an apocalyptic number.

It is an amenable number.

3331945 is a deficient number, since it is larger than the sum of its proper divisors (682775).

3331945 is a wasteful number, since it uses less digits than its factorization.

3331945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735.

The product of its digits is 4860, while the sum is 28.

The square root of 3331945 is about 1825.3616080109. The cubic root of 3331945 is about 149.3594163933.

It can be divided in two parts, 333 and 1945, that added together give a triangular number (2278 = T₆₇).

The spelling of 3331945 in words is "three million, three hundred thirty-one thousand, nine hundred forty-five".