890346399 has 16 divisors (see below), whose sum is σ = 1239608832. Its totient is φ = 567360288.

The previous prime is 890346397. The next prime is 890346449. The reversal of 890346399 is 993643098.

It is not a de Polignac number, because 890346399 - 2¹ = 890346397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890346397) 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, 119409 + ... + 126645.

It is an arithmetic number, because the mean of its divisors is an integer number (77475552).

Almost surely, 2^890346399 is an apocalyptic number.

890346399 is a deficient number, since it is larger than the sum of its proper divisors (349262433).

890346399 is a wasteful number, since it uses less digits than its factorization.

890346399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 890346399 is about 29838.6728759843. The cubic root of 890346399 is about 962.0249498992.

The spelling of 890346399 in words is "eight hundred ninety million, three hundred forty-six thousand, three hundred ninety-nine".