1474639 has 4 divisors (see below), whose sum is σ = 1522240. Its totient is φ = 1427040.

The previous prime is 1474637. The next prime is 1474643. The reversal of 1474639 is 9364741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9364741 = 199 ⋅47059.

It is a cyclic number.

It is not a de Polignac number, because 1474639 - 2¹ = 1474637 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 (1474633) 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, 23754 + ... + 23815.

It is an arithmetic number, because the mean of its divisors is an integer number (380560).

2^1474639 is an apocalyptic number.

1474639 is a deficient number, since it is larger than the sum of its proper divisors (47601).

1474639 is an equidigital number, since it uses as much as digits as its factorization.

1474639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47600.

The product of its digits is 18144, while the sum is 34.

The square root of 1474639 is about 1214.3471497064. The cubic root of 1474639 is about 113.8226183649.

The spelling of 1474639 in words is "one million, four hundred seventy-four thousand, six hundred thirty-nine".