375649 has 8 divisors (see below), whose sum is σ = 419040. Its totient is φ = 334656.

The previous prime is 375647. The next prime is 375667. The reversal of 375649 is 946573.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 375649 - 2¹ = 375647 is a prime.

It is a super-2 number, since 2×375649² = 282224342402, which contains 22 as substring.

It is a Duffinian number.

375649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (375643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259 + ... + 904.

It is an arithmetic number, because the mean of its divisors is an integer number (52380).

2³⁷⁵⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

375649 is a deficient number, since it is larger than the sum of its proper divisors (43391).

375649 is a wasteful number, since it uses less digits than its factorization.

375649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its digits is 22680, while the sum is 34.

The square root of 375649 is about 612.9021129022. The cubic root of 375649 is about 72.1540554269.

It can be divided in two parts, 37564 and 9, that added together give a palindrome (37573).

The spelling of 375649 in words is "three hundred seventy-five thousand, six hundred forty-nine".