1920274 has 4 divisors (see below), whose sum is σ = 2880414. Its totient is φ = 960136.

The previous prime is 1920271. The next prime is 1920283. The reversal of 1920274 is 4720291.

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., 1423249 + 497025 = 1193^2 + 705^2 .

It is not an unprimeable number, because it can be changed into a prime (1920271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480067 + ... + 480070.

2^1920274 is an apocalyptic number.

1920274 is a deficient number, since it is larger than the sum of its proper divisors (960140).

1920274 is an equidigital number, since it uses as much as digits as its factorization.

1920274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960139.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1920274 is about 1385.7395137615. The cubic root of 1920274 is about 124.2952123299.

The spelling of 1920274 in words is "one million, nine hundred twenty thousand, two hundred seventy-four".