864148 has 6 divisors (see below), whose sum is σ = 1512266. Its totient is φ = 432072.

The previous prime is 864137. The next prime is 864151. The reversal of 864148 is 841468.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 121104 = 862^2 + 348^2 .

It is a congruent number.

It is an unprimeable number.

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, 108015 + ... + 108022.

2⁸⁶⁴¹⁴⁸ is an apocalyptic number.

It is an amenable number.

864148 is a deficient number, since it is larger than the sum of its proper divisors (648118).

864148 is a wasteful number, since it uses less digits than its factorization.

864148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216041 (or 216039 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 864148 is about 929.5956110051. The cubic root of 864148 is about 95.2495011260.

The spelling of 864148 in words is "eight hundred sixty-four thousand, one hundred forty-eight".