1331464 has 16 divisors (see below), whose sum is σ = 2515500. Its totient is φ = 660672.

The previous prime is 1331443. The next prime is 1331471. The reversal of 1331464 is 4641331.

It can be written as a sum of positive squares in 2 ways, for example, as 1020100 + 311364 = 1010^2 + 558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 1750.

2^1331464 is an apocalyptic number.

It is an amenable number.

1331464 is a deficient number, since it is larger than the sum of its proper divisors (1184036).

1331464 is a wasteful number, since it uses less digits than its factorization.

1331464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1268 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1331464 is about 1153.8908093923. The cubic root of 1331464 is about 110.0127808841.

Adding to 1331464 its reverse (4641331), we get a palindrome (5972795).

The spelling of 1331464 in words is "one million, three hundred thirty-one thousand, four hundred sixty-four".