1374661 has 8 divisors (see below), whose sum is σ = 1440504. Its totient is φ = 1310400.

The previous prime is 1374619. The next prime is 1374673. The reversal of 1374661 is 1664731.

It can be written as a sum of positive squares in 4 ways, for example, as 893025 + 481636 = 945^2 + 694^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1374661 - 2⁷ = 1374533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (180063).

2^1374661 is an apocalyptic number.

It is an amenable number.

1374661 is a deficient number, since it is larger than the sum of its proper divisors (65843).

1374661 is an equidigital number, since it uses as much as digits as its factorization.

1374661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its digits is 3024, while the sum is 28.

The square root of 1374661 is about 1172.4593809595. The cubic root of 1374661 is about 111.1898652410.

The spelling of 1374661 in words is "one million, three hundred seventy-four thousand, six hundred sixty-one".