3649323976 has 8 divisors (see below), whose sum is σ = 6842482470. Its totient is φ = 1824661984.

The previous prime is 3649323973. The next prime is 3649324051. The reversal of 3649323976 is 6793239463.

It can be written as a sum of positive squares in only one way, i.e., 2230295076 + 1419028900 = 47226^2 + 37670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3649323976³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3649323973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228082741 + ... + 228082756.

Almost surely, 2^3649323976 is an apocalyptic number.

It is an amenable number.

3649323976 is a deficient number, since it is larger than the sum of its proper divisors (3193158494).

3649323976 is a wasteful number, since it uses less digits than its factorization.

3649323976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456165503 (or 456165499 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 52.

The square root of 3649323976 is about 60409.6347944597. The cubic root of 3649323976 is about 1539.5866625560.

The spelling of 3649323976 in words is "three billion, six hundred forty-nine million, three hundred twenty-three thousand, nine hundred seventy-six".