434402345 has 16 divisors (see below), whose sum is σ = 566637120. Its totient is φ = 317786304.

The previous prime is 434402323. The next prime is 434402347. The reversal of 434402345 is 543204434.

It is a cyclic number.

It is not a de Polignac number, because 434402345 - 2²⁶ = 367293481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434402347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24275 + ... + 38184.

It is an arithmetic number, because the mean of its divisors is an integer number (35414820).

Almost surely, 2^434402345 is an apocalyptic number.

It is an amenable number.

434402345 is a deficient number, since it is larger than the sum of its proper divisors (132234775).

434402345 is a wasteful number, since it uses less digits than its factorization.

434402345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62584.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 434402345 is about 20842.3210079876. The cubic root of 434402345 is about 757.3513205421.

Adding to 434402345 its reverse (543204434), we get a palindrome (977606779).

The spelling of 434402345 in words is "four hundred thirty-four million, four hundred two thousand, three hundred forty-five".