434107387 has 4 divisors (see below), whose sum is σ = 496122736. Its totient is φ = 372092040.

The previous prime is 434107367. The next prime is 434107397. The reversal of 434107387 is 783701434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783701434 = 2 ⋅391850717.

It is a cyclic number.

It is not a de Polignac number, because 434107387 - 2²⁷ = 299889659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434107367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31007664 + ... + 31007677.

It is an arithmetic number, because the mean of its divisors is an integer number (124030684).

Almost surely, 2^434107387 is an apocalyptic number.

434107387 is a deficient number, since it is larger than the sum of its proper divisors (62015349).

434107387 is an equidigital number, since it uses as much as digits as its factorization.

434107387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62015348.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 434107387 is about 20835.2438670633. The cubic root of 434107387 is about 757.1798685750.

The spelling of 434107387 in words is "four hundred thirty-four million, one hundred seven thousand, three hundred eighty-seven".