1354664 has 16 divisors (see below), whose sum is σ = 2552820. Its totient is φ = 673920.

The previous prime is 1354663. The next prime is 1354687. The reversal of 1354664 is 4664531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1144900 + 209764 = 1070^2 + 458^2 .

It is a super-2 number, since 2×1354664² = 3670229105792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1354663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234 + ... + 2774.

2^1354664 is an apocalyptic number.

It is an amenable number.

1354664 is a deficient number, since it is larger than the sum of its proper divisors (1198156).

1354664 is a wasteful number, since it uses less digits than its factorization.

1354664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 856 counting only the distinct ones).

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

The square root of 1354664 is about 1163.9003393762. The cubic root of 1354664 is about 110.6480751337.

The spelling of 1354664 in words is "one million, three hundred fifty-four thousand, six hundred sixty-four".