1426432346 has 4 divisors (see below), whose sum is σ = 2139648522. Its totient is φ = 713216172.

The previous prime is 1426432297. The next prime is 1426432349. The reversal of 1426432346 is 6432346241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1331155225 + 95277121 = 36485^2 + 9761^2 .

It is not an unprimeable number, because it can be changed into a prime (1426432349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356608085 + ... + 356608088.

Almost surely, 2^1426432346 is an apocalyptic number.

1426432346 is a deficient number, since it is larger than the sum of its proper divisors (713216176).

1426432346 is an equidigital number, since it uses as much as digits as its factorization.

1426432346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713216175.

The product of its digits is 82944, while the sum is 35.

The square root of 1426432346 is about 37768.1392975614. The cubic root of 1426432346 is about 1125.6854676229.

Adding to 1426432346 its reverse (6432346241), we get a palindrome (7858778587).

The spelling of 1426432346 in words is "one billion, four hundred twenty-six million, four hundred thirty-two thousand, three hundred forty-six".