1961434 has 4 divisors (see below), whose sum is σ = 2942154. Its totient is φ = 980716.

The previous prime is 1961431. The next prime is 1961441. The reversal of 1961434 is 4341691.

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., 1329409 + 632025 = 1153^2 + 795^2 .

It is not an unprimeable number, because it can be changed into a prime (1961431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490357 + ... + 490360.

2^1961434 is an apocalyptic number.

1961434 is a deficient number, since it is larger than the sum of its proper divisors (980720).

1961434 is an equidigital number, since it uses as much as digits as its factorization.

1961434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980719.

The product of its digits is 2592, while the sum is 28.

The square root of 1961434 is about 1400.5120492163. The cubic root of 1961434 is about 125.1770078940.

The spelling of 1961434 in words is "one million, nine hundred sixty-one thousand, four hundred thirty-four".