434904477 has 16 divisors (see below), whose sum is σ = 663365760. Its totient is φ = 248271552.

The previous prime is 434904473. The next prime is 434904499. The reversal of 434904477 is 774409434.

It is not a de Polignac number, because 434904477 - 2² = 434904473 is a prime.

It is a super-2 number, since 2×434904477² = 378283808229287058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434904473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12763 + ... + 32135.

It is an arithmetic number, because the mean of its divisors is an integer number (41460360).

Almost surely, 2^434904477 is an apocalyptic number.

It is an amenable number.

434904477 is a deficient number, since it is larger than the sum of its proper divisors (228461283).

434904477 is a wasteful number, since it uses less digits than its factorization.

434904477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20452.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 434904477 is about 20854.3635002366. The cubic root of 434904477 is about 757.6430193201.

The spelling of 434904477 in words is "four hundred thirty-four million, nine hundred four thousand, four hundred seventy-seven".