64090343 has 4 divisors (see below), whose sum is σ = 65176680. Its totient is φ = 63004008.

The previous prime is 64090337. The next prime is 64090379. The reversal of 64090343 is 34309046.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64090343 - 2¹⁸ = 63828199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64090333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543080 + ... + 543197.

It is an arithmetic number, because the mean of its divisors is an integer number (16294170).

Almost surely, 2^64090343 is an apocalyptic number.

64090343 is a deficient number, since it is larger than the sum of its proper divisors (1086337).

64090343 is a wasteful number, since it uses less digits than its factorization.

64090343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086336.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 64090343 is about 8005.6444462641. The cubic root of 64090343 is about 400.1881260909.

Adding to 64090343 its reverse (34309046), we get a palindrome (98399389).

The spelling of 64090343 in words is "sixty-four million, ninety thousand, three hundred forty-three".