439090345 has 16 divisors (see below), whose sum is σ = 532224000. Its totient is φ = 347747904.

The previous prime is 439090313. The next prime is 439090349. The reversal of 439090345 is 543090934.

It is a cyclic number.

It is not a de Polignac number, because 439090345 - 2⁵ = 439090313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439090349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218656 + ... + 220654.

It is an arithmetic number, because the mean of its divisors is an integer number (33264000).

Almost surely, 2^439090345 is an apocalyptic number.

It is an amenable number.

439090345 is a deficient number, since it is larger than the sum of its proper divisors (93133655).

439090345 is a wasteful number, since it uses less digits than its factorization.

439090345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 439090345 is about 20954.4826946408. The cubic root of 439090345 is about 760.0659828446.

The spelling of 439090345 in words is "four hundred thirty-nine million, ninety thousand, three hundred forty-five".