3647464 has 8 divisors (see below), whose sum is σ = 6839010. Its totient is φ = 1823728.

The previous prime is 3647461. The next prime is 3647477. The reversal of 3647464 is 4647463.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 1119364 = 1590^2 + 1058^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3647461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227959 + ... + 227974.

Almost surely, 2^3647464 is an apocalyptic number.

It is an amenable number.

3647464 is a deficient number, since it is larger than the sum of its proper divisors (3191546).

3647464 is a wasteful number, since it uses less digits than its factorization.

3647464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455939 (or 455935 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 3647464 is about 1909.8335005963. The cubic root of 3647464 is about 153.9325054205.

Subtracting 3647464 from its reverse (4647463), we obtain a palindrome (999999).

The spelling of 3647464 in words is "three million, six hundred forty-seven thousand, four hundred sixty-four".