432402434 has 4 divisors (see below), whose sum is σ = 648603654. Its totient is φ = 216201216.

The previous prime is 432402419. The next prime is 432402449. The reversal of 432402434 is 434204234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434204234 = 2 ⋅217102117.

It is an interprime number because it is at equal distance from previous prime (432402419) and next prime (432402449).

It can be written as a sum of positive squares in only one way, i.e., 324180025 + 108222409 = 18005^2 + 10403^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108100607 + ... + 108100610.

Almost surely, 2^432402434 is an apocalyptic number.

432402434 is a deficient number, since it is larger than the sum of its proper divisors (216201220).

432402434 is a wasteful number, since it uses less digits than its factorization.

432402434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216201219.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 432402434 is about 20794.2884946805. The cubic root of 432402434 is about 756.1872955409.

Adding to 432402434 its reverse (434204234), we get a palindrome (866606668).

The spelling of 432402434 in words is "four hundred thirty-two million, four hundred two thousand, four hundred thirty-four".