1671464 has 8 divisors (see below), whose sum is σ = 3134010. Its totient is φ = 835728.

The previous prime is 1671463. The next prime is 1671493. The reversal of 1671464 is 4641761.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 58564 = 1270^2 + 242^2 .

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 (1671463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104459 + ... + 104474.

2^1671464 is an apocalyptic number.

It is an amenable number.

1671464 is a deficient number, since it is larger than the sum of its proper divisors (1462546).

1671464 is a wasteful number, since it uses less digits than its factorization.

1671464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208939 (or 208935 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 1671464 is about 1292.8511128510. The cubic root of 1671464 is about 118.6767585296.

The spelling of 1671464 in words is "one million, six hundred seventy-one thousand, four hundred sixty-four".