1973434 has 4 divisors (see below), whose sum is σ = 2960154. Its totient is φ = 986716.

The previous prime is 1973431. The next prime is 1973437. The reversal of 1973434 is 4343791.

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

It is an interprime number because it is at equal distance from previous prime (1973431) and next prime (1973437).

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 275625 = 1303^2 + 525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1973396 and 1973405.

It is not an unprimeable number, because it can be changed into a prime (1973431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493357 + ... + 493360.

2^1973434 is an apocalyptic number.

1973434 is a deficient number, since it is larger than the sum of its proper divisors (986720).

1973434 is an equidigital number, since it uses as much as digits as its factorization.

1973434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986719.

The product of its digits is 9072, while the sum is 31.

The square root of 1973434 is about 1404.7896639711. The cubic root of 1973434 is about 125.4317655774.

The spelling of 1973434 in words is "one million, nine hundred seventy-three thousand, four hundred thirty-four".