346021045 has 8 divisors (see below), whose sum is σ = 419035320. Its totient is φ = 274276800.

The previous prime is 346021007. The next prime is 346021057. The reversal of 346021045 is 540120643.

It can be written as a sum of positive squares in 4 ways, for example, as 21696964 + 324324081 = 4658^2 + 18009^2 .

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

It is not a de Polignac number, because 346021045 - 2¹³ = 346012853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316906 + ... + 317995.

It is an arithmetic number, because the mean of its divisors is an integer number (52379415).

Almost surely, 2^346021045 is an apocalyptic number.

It is an amenable number.

346021045 is a deficient number, since it is larger than the sum of its proper divisors (73014275).

346021045 is a wasteful number, since it uses less digits than its factorization.

346021045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635015.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 346021045 is about 18601.6409222412. The cubic root of 346021045 is about 702.0491283329.

Adding to 346021045 its reverse (540120643), we get a palindrome (886141688).

The spelling of 346021045 in words is "three hundred forty-six million, twenty-one thousand, forty-five".