1944274 has 4 divisors (see below), whose sum is σ = 2916414. Its totient is φ = 972136.

The previous prime is 1944223. The next prime is 1944281. The reversal of 1944274 is 4724491.

1944274 = T₁₁₃₇ + T₁₁₃₈ + T₁₁₃₉.

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., 1803649 + 140625 = 1343^2 + 375^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486067 + ... + 486070.

2^1944274 is an apocalyptic number.

1944274 is the 1139-th centered triangular number.

1944274 is a deficient number, since it is larger than the sum of its proper divisors (972140).

1944274 is an equidigital number, since it uses as much as digits as its factorization.

1944274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972139.

The product of its digits is 8064, while the sum is 31.

The square root of 1944274 is about 1394.3722601945. The cubic root of 1944274 is about 124.8108927184.

The spelling of 1944274 in words is "one million, nine hundred forty-four thousand, two hundred seventy-four".