1995434 has 16 divisors (see below), whose sum is σ = 3570048. Its totient is φ = 817872.

The previous prime is 1995431. The next prime is 1995449. The reversal of 1995434 is 4345991.

1995434 = T₄₀₅ + T₄₀₆ + ... + T₄₂₇.

It is a junction number, because it is equal to n+sod(n) for n = 1995394 and 1995403.

It is not an unprimeable number, because it can be changed into a prime (1995431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2777 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (223128).

2^1995434 is an apocalyptic number.

1995434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1995434 is a deficient number, since it is larger than the sum of its proper divisors (1574614).

1995434 is a wasteful number, since it uses less digits than its factorization.

1995434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229.

The product of its digits is 19440, while the sum is 35.

The square root of 1995434 is about 1412.5983151625. The cubic root of 1995434 is about 125.8961519402.

The spelling of 1995434 in words is "one million, nine hundred ninety-five thousand, four hundred thirty-four".