352649 has 4 divisors (see below), whose sum is σ = 384720. Its totient is φ = 320580.

The previous prime is 352637. The next prime is 352661. The reversal of 352649 is 946253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (352637) and next prime (352661).

It is a cyclic number.

It is not a de Polignac number, because 352649 - 2⁴ = 352633 is a prime.

It is a super-2 number, since 2×352649² = 248722634402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352619) 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, 16019 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (96180).

2³⁵²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

352649 is a deficient number, since it is larger than the sum of its proper divisors (32071).

352649 is a wasteful number, since it uses less digits than its factorization.

352649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32070.

The product of its digits is 6480, while the sum is 29.

The square root of 352649 is about 593.8425717309. The cubic root of 352649 is about 70.6503339296.

It can be divided in two parts, 352 and 649, that added together give a palindrome (1001).

The spelling of 352649 in words is "three hundred fifty-two thousand, six hundred forty-nine".