1374664 has 32 divisors (see below), whose sum is σ = 2787840. Its totient is φ = 633600.

The previous prime is 1374619. The next prime is 1374673. The reversal of 1374664 is 4664731.

It is a super-2 number, since 2×1374664² = 3779402225792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 in 7 ways as a sum of consecutive naturals, for example, 5584 + ... + 5824.

It is an arithmetic number, because the mean of its divisors is an integer number (87120).

2^1374664 is an apocalyptic number.

It is an amenable number.

1374664 is an abundant number, since it is smaller than the sum of its proper divisors (1413176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1374664 is a wasteful number, since it uses less digits than its factorization.

1374664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 297 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 1374664 is about 1172.4606603208. The cubic root of 1374664 is about 111.1899461262.

1374664 divided by its sum of digits (31) gives a palindrome (44344).

The spelling of 1374664 in words is "one million, three hundred seventy-four thousand, six hundred sixty-four".