434342557 has 16 divisors (see below), whose sum is σ = 504963072. Its totient is φ = 369643120.

The previous prime is 434342539. The next prime is 434342621. The reversal of 434342557 is 755243434.

It is not a de Polignac number, because 434342557 - 2¹⁵ = 434309789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434342357) 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, 6373 + ... + 30154.

It is an arithmetic number, because the mean of its divisors is an integer number (31560192).

Almost surely, 2^434342557 is an apocalyptic number.

434342557 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

434342557 is a deficient number, since it is larger than the sum of its proper divisors (70620515).

434342557 is a wasteful number, since it uses less digits than its factorization.

434342557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36608.

The product of its digits is 201600, while the sum is 37.

The square root of 434342557 is about 20840.8866653989. The cubic root of 434342557 is about 757.3165734934.

The spelling of 434342557 in words is "four hundred thirty-four million, three hundred forty-two thousand, five hundred fifty-seven".