534421657 has 16 divisors (see below), whose sum is σ = 689270400. Its totient is φ = 402071040.

The previous prime is 534421637. The next prime is 534421661. The reversal of 534421657 is 756124435.

It is not a de Polignac number, because 534421657 - 2⁷ = 534421529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (534421627) 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, 117432 + ... + 121897.

It is an arithmetic number, because the mean of its divisors is an integer number (43079400).

Almost surely, 2^534421657 is an apocalyptic number.

It is an amenable number.

534421657 is a deficient number, since it is larger than the sum of its proper divisors (154848743).

534421657 is a wasteful number, since it uses less digits than its factorization.

534421657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239376.

The product of its digits is 100800, while the sum is 37.

The square root of 534421657 is about 23117.5616577527. The cubic root of 534421657 is about 811.5115083215.

The spelling of 534421657 in words is "five hundred thirty-four million, four hundred twenty-one thousand, six hundred fifty-seven".