32857434 has 16 divisors (see below), whose sum is σ = 73016640. Its totient is φ = 10952460.

The previous prime is 32857423. The next prime is 32857439. The reversal of 32857434 is 43475823.

It is a happy number.

It is a super-2 number, since 2×32857434² = 2159221938128712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32857439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304182 + ... + 304289.

It is an arithmetic number, because the mean of its divisors is an integer number (4563540).

Almost surely, 2^32857434 is an apocalyptic number.

32857434 is an abundant number, since it is smaller than the sum of its proper divisors (40159206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32857434 is a wasteful number, since it uses less digits than its factorization.

32857434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608482 (or 608476 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 32857434 is about 5732.1404379167. The cubic root of 32857434 is about 320.2908618451.

The spelling of 32857434 in words is "thirty-two million, eight hundred fifty-seven thousand, four hundred thirty-four".