1234458394 has 16 divisors (see below), whose sum is σ = 2002409640. Its totient is φ = 567383040.

The previous prime is 1234458389. The next prime is 1234458437. The reversal of 1234458394 is 4938544321.

It can be written as a sum of positive squares in 4 ways, for example, as 1084714225 + 149744169 = 32935^2 + 12237^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1234458394.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92239 + ... + 104770.

Almost surely, 2^1234458394 is an apocalyptic number.

1234458394 is a deficient number, since it is larger than the sum of its proper divisors (767951246).

1234458394 is a wasteful number, since it uses less digits than its factorization.

1234458394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197265.

The product of its digits is 414720, while the sum is 43.

The square root of 1234458394 is about 35134.8600964911. The cubic root of 1234458394 is about 1072.7342635355.

The spelling of 1234458394 in words is "one billion, two hundred thirty-four million, four hundred fifty-eight thousand, three hundred ninety-four".