1534664 has 8 divisors (see below), whose sum is σ = 2877510. Its totient is φ = 767328.

The previous prime is 1534661. The next prime is 1534667. The reversal of 1534664 is 4664351.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1534661) and next prime (1534667).

It can be written as a sum of positive squares in only one way, i.e., 1085764 + 448900 = 1042^2 + 670^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1534661) 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 as a sum of consecutive naturals, namely, 95909 + ... + 95924.

2^1534664 is an apocalyptic number.

It is an amenable number.

1534664 is a deficient number, since it is larger than the sum of its proper divisors (1342846).

1534664 is a wasteful number, since it uses less digits than its factorization.

1534664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191839 (or 191835 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1534664 is about 1238.8155633507. The cubic root of 1534664 is about 115.3465037436.

The spelling of 1534664 in words is "one million, five hundred thirty-four thousand, six hundred sixty-four".