1641274 has 4 divisors (see below), whose sum is σ = 2461914. Its totient is φ = 820636.

The previous prime is 1641253. The next prime is 1641281. The reversal of 1641274 is 4721461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 651249 = 995^2 + 807^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410317 + ... + 410320.

2^1641274 is an apocalyptic number.

1641274 is a deficient number, since it is larger than the sum of its proper divisors (820640).

1641274 is an equidigital number, since it uses as much as digits as its factorization.

1641274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820639.

The product of its digits is 1344, while the sum is 25.

The square root of 1641274 is about 1281.1221643544. The cubic root of 1641274 is about 117.9578993733.

The spelling of 1641274 in words is "one million, six hundred forty-one thousand, two hundred seventy-four".