64204401 has 32 divisors (see below), whose sum is σ = 93703680. Its totient is φ = 38966400.

The previous prime is 64204381. The next prime is 64204409. The reversal of 64204401 is 10440246.

It is not a de Polignac number, because 64204401 - 2¹⁷ = 64073329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64204409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193806 + ... + 194136.

It is an arithmetic number, because the mean of its divisors is an integer number (2928240).

Almost surely, 2^64204401 is an apocalyptic number.

It is an amenable number.

64204401 is a deficient number, since it is larger than the sum of its proper divisors (29499279).

64204401 is a wasteful number, since it uses less digits than its factorization.

64204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 64204401 is about 8012.7648786171. The cubic root of 64204401 is about 400.4253828798.

Adding to 64204401 its reverse (10440246), we get a palindrome (74644647).

The spelling of 64204401 in words is "sixty-four million, two hundred four thousand, four hundred one".