1951434 has 12 divisors (see below), whose sum is σ = 4228146. Its totient is φ = 650472.

The previous prime is 1951429. The next prime is 1951441. The reversal of 1951434 is 4341591.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 88209 = 1365^2 + 297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1951398 and 1951407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54189 + ... + 54224.

2^1951434 is an apocalyptic number.

1951434 is an abundant number, since it is smaller than the sum of its proper divisors (2276712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1951434 is a wasteful number, since it uses less digits than its factorization.

1951434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108421 (or 108418 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1951434 is about 1396.9373643797. The cubic root of 1951434 is about 124.9639149173.

The spelling of 1951434 in words is "one million, nine hundred fifty-one thousand, four hundred thirty-four".