1374621 has 4 divisors (see below), whose sum is σ = 1832832. Its totient is φ = 916412.

The previous prime is 1374619. The next prime is 1374673. The reversal of 1374621 is 1264731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1374621 - 2¹ = 1374619 is a prime.

It is a D-number.

1374621 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1374591 and 1374600.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229101 + ... + 229106.

It is an arithmetic number, because the mean of its divisors is an integer number (458208).

2^1374621 is an apocalyptic number.

It is an amenable number.

1374621 is a deficient number, since it is larger than the sum of its proper divisors (458211).

1374621 is an equidigital number, since it uses as much as digits as its factorization.

1374621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458210.

The product of its digits is 1008, while the sum is 24.

The square root of 1374621 is about 1172.4423226752. The cubic root of 1374621 is about 111.1887867599.

The spelling of 1374621 in words is "one million, three hundred seventy-four thousand, six hundred twenty-one".