1351946 has 4 divisors (see below), whose sum is σ = 2027922. Its totient is φ = 675972.

The previous prime is 1351921. The next prime is 1351949. The reversal of 1351946 is 6491531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6491531 = 97 ⋅66923.

It can be written as a sum of positive squares in only one way, i.e., 703921 + 648025 = 839^2 + 805^2 .

It is not an unprimeable number, because it can be changed into a prime (1351949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337985 + ... + 337988.

2^1351946 is an apocalyptic number.

1351946 is a deficient number, since it is larger than the sum of its proper divisors (675976).

1351946 is an equidigital number, since it uses as much as digits as its factorization.

1351946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675975.

The product of its digits is 3240, while the sum is 29.

The square root of 1351946 is about 1162.7321273621. The cubic root of 1351946 is about 110.5740240950.

The spelling of 1351946 in words is "one million, three hundred fifty-one thousand, nine hundred forty-six".