1234342394 has 4 divisors (see below), whose sum is σ = 1851513594. Its totient is φ = 617171196.

The previous prime is 1234342339. The next prime is 1234342411. The reversal of 1234342394 is 4932434321.

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., 1192804369 + 41538025 = 34537^2 + 6445^2 .

It is a super-2 number, since 2×1234342394² = 3047202291251302472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308585597 + ... + 308585600.

Almost surely, 2^1234342394 is an apocalyptic number.

1234342394 is a deficient number, since it is larger than the sum of its proper divisors (617171200).

1234342394 is an equidigital number, since it uses as much as digits as its factorization.

1234342394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617171199.

The product of its digits is 62208, while the sum is 35.

The square root of 1234342394 is about 35133.2092755558. The cubic root of 1234342394 is about 1072.7006614654.

The spelling of 1234342394 in words is "one billion, two hundred thirty-four million, three hundred forty-two thousand, three hundred ninety-four".