64406353 has 16 divisors (see below), whose sum is σ = 74886336. Its totient is φ = 54743040.

The previous prime is 64406339. The next prime is 64406359. The reversal of 64406353 is 35360446.

It is not a de Polignac number, because 64406353 - 2¹³ = 64398161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64406359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29425 + ... + 31537.

It is an arithmetic number, because the mean of its divisors is an integer number (4680396).

Almost surely, 2^64406353 is an apocalyptic number.

It is an amenable number.

64406353 is a deficient number, since it is larger than the sum of its proper divisors (10479983).

64406353 is a wasteful number, since it uses less digits than its factorization.

64406353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 64406353 is about 8025.3568767999. The cubic root of 64406353 is about 400.8447833467.

Adding to 64406353 its reverse (35360446), we get a palindrome (99766799).

The spelling of 64406353 in words is "sixty-four million, four hundred six thousand, three hundred fifty-three".