434753985 has 16 divisors (see below), whose sum is σ = 704413440. Its totient is φ = 228933120.

The previous prime is 434753983. The next prime is 434753987. The reversal of 434753985 is 589357434.

It is an interprime number because it is at equal distance from previous prime (434753983) and next prime (434753987).

It is not a de Polignac number, because 434753985 - 2¹ = 434753983 is a prime.

It is a super-2 number, since 2×434753985² = 378022054946760450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (434753983) 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, 182256 + ... + 184625.

It is an arithmetic number, because the mean of its divisors is an integer number (44025840).

Almost surely, 2^434753985 is an apocalyptic number.

It is an amenable number.

434753985 is a deficient number, since it is larger than the sum of its proper divisors (269659455).

434753985 is a wasteful number, since it uses less digits than its factorization.

434753985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366968.

The product of its digits is 1814400, while the sum is 48.

The square root of 434753985 is about 20850.7550223008. The cubic root of 434753985 is about 757.5556190032. Note that the first 3 decimals are identical.

The spelling of 434753985 in words is "four hundred thirty-four million, seven hundred fifty-three thousand, nine hundred eighty-five".