1956434 has 4 divisors (see below), whose sum is σ = 2934654. Its totient is φ = 978216.

The previous prime is 1956433. The next prime is 1956439. The reversal of 1956434 is 4346591.

Added to its reverse (4346591) it gives a triangular number (6303025 = T₃₅₅₀).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4346591 = 569 ⋅7639.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 120409 = 1355^2 + 347^2 .

It is a d-powerful number, because it can be written as 1 + 9³ + 5⁹ + 6⁴ + 4² + 3⁵ + 4⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 1956434.

It is not an unprimeable number, because it can be changed into a prime (1956431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489107 + ... + 489110.

2^1956434 is an apocalyptic number.

1956434 is a deficient number, since it is larger than the sum of its proper divisors (978220).

1956434 is an equidigital number, since it uses as much as digits as its factorization.

1956434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978219.

The product of its digits is 12960, while the sum is 32.

The square root of 1956434 is about 1398.7258487638. The cubic root of 1956434 is about 125.0705521716.

Adding to 1956434 its reverse (4346591), we get a triangular number (6303025 = T₃₅₅₀).

The spelling of 1956434 in words is "one million, nine hundred fifty-six thousand, four hundred thirty-four".