349632001 has 4 divisors (see below), whose sum is σ = 349878100. Its totient is φ = 349385904.

The previous prime is 349631999. The next prime is 349632029. The reversal of 349632001 is 100236943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100236943 = 337 ⋅297439.

It can be written as a sum of positive squares in 2 ways, for example, as 122677776 + 226954225 = 11076^2 + 15065^2 .

It is a cyclic number.

It is not a de Polignac number, because 349632001 - 2¹ = 349631999 is a prime.

It is a super-2 number, since 2×349632001² = 244485072246528002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349632061) 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, 120906 + ... + 123763.

It is an arithmetic number, because the mean of its divisors is an integer number (87469525).

Almost surely, 2^349632001 is an apocalyptic number.

It is an amenable number.

349632001 is a deficient number, since it is larger than the sum of its proper divisors (246099).

349632001 is a wasteful number, since it uses less digits than its factorization.

349632001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246098.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 349632001 is about 18698.4491602913. The cubic root of 349632001 is about 704.4827962218.

Adding to 349632001 its reverse (100236943), we get a palindrome (449868944).

The spelling of 349632001 in words is "three hundred forty-nine million, six hundred thirty-two thousand, one".