321345046 has 16 divisors (see below), whose sum is σ = 529069248. Its totient is φ = 145168200.

The previous prime is 321345023. The next prime is 321345049. The reversal of 321345046 is 640543123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321345049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41220 + ... + 48391.

It is an arithmetic number, because the mean of its divisors is an integer number (33066828).

Almost surely, 2^321345046 is an apocalyptic number.

321345046 is a deficient number, since it is larger than the sum of its proper divisors (207724202).

321345046 is a wasteful number, since it uses less digits than its factorization.

321345046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89787.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 321345046 is about 17926.0995757582. The cubic root of 321345046 is about 684.9473708833.

Adding to 321345046 its reverse (640543123), we get a palindrome (961888169).

The spelling of 321345046 in words is "three hundred twenty-one million, three hundred forty-five thousand, forty-six".