434172377 has 4 divisors (see below), whose sum is σ = 435355776. Its totient is φ = 432988980.

The previous prime is 434172371. The next prime is 434172407. The reversal of 434172377 is 773271434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 434172377 - 2¹⁸ = 433910233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434172377.

It is not an unprimeable number, because it can be changed into a prime (434172371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591149 + ... + 591882.

It is an arithmetic number, because the mean of its divisors is an integer number (108838944).

Almost surely, 2^434172377 is an apocalyptic number.

It is an amenable number.

434172377 is a deficient number, since it is larger than the sum of its proper divisors (1183399).

434172377 is a wasteful number, since it uses less digits than its factorization.

434172377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183398.

The product of its digits is 98784, while the sum is 38.

The square root of 434172377 is about 20836.8034256697. The cubic root of 434172377 is about 757.2176523628.

The spelling of 434172377 in words is "four hundred thirty-four million, one hundred seventy-two thousand, three hundred seventy-seven".