1951426 has 8 divisors (see below), whose sum is σ = 2995344. Its totient is φ = 952980.

The previous prime is 1951403. The next prime is 1951429. The reversal of 1951426 is 6241591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1951394 and 1951403.

It is not an unprimeable number, because it can be changed into a prime (1951429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11260 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (374418).

2^1951426 is an apocalyptic number.

1951426 is a deficient number, since it is larger than the sum of its proper divisors (1043918).

1951426 is a wasteful number, since it uses less digits than its factorization.

1951426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22736.

The product of its digits is 2160, while the sum is 28.

The square root of 1951426 is about 1396.9345009699. The cubic root of 1951426 is about 124.9637441518.

The spelling of 1951426 in words is "one million, nine hundred fifty-one thousand, four hundred twenty-six".