376649869 has 16 divisors (see below), whose sum is σ = 392601600. Its totient is φ = 361113984.

The previous prime is 376649839. The next prime is 376649879. The reversal of 376649869 is 968946673.

It is a cyclic number.

It is not a de Polignac number, because 376649869 - 2⁵ = 376649837 is a prime.

It is a super-2 number, since 2×376649869² = 283730247635434322, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (11757312) is a multiple of the sum of its prime divisors (972).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376649809) 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, 530887 + ... + 531595.

It is an arithmetic number, because the mean of its divisors is an integer number (24537600).

Almost surely, 2^376649869 is an apocalyptic number.

It is an amenable number.

376649869 is a deficient number, since it is larger than the sum of its proper divisors (15951731).

376649869 is a wasteful number, since it uses less digits than its factorization.

376649869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its digits is 11757312, while the sum is 58.

The square root of 376649869 is about 19407.4694125741. The cubic root of 376649869 is about 722.1808036743.

It can be divided in two parts, 3766 and 49869, that added together give a palindrome (53635).

The spelling of 376649869 in words is "three hundred seventy-six million, six hundred forty-nine thousand, eight hundred sixty-nine".