34323140 has 24 divisors (see below), whose sum is σ = 73069080. Its totient is φ = 13540608.

The previous prime is 34323083. The next prime is 34323143. The reversal of 34323140 is 4132343.

It can be written as a sum of positive squares in 4 ways, for example, as 13675204 + 20647936 = 3698^2 + 4544^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34323143) 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, 10295 + ... + 13214.

It is an arithmetic number, because the mean of its divisors is an integer number (3044545).

Almost surely, 2^34323140 is an apocalyptic number.

It is an amenable number.

34323140 is an abundant number, since it is smaller than the sum of its proper divisors (38745940).

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

34323140 is a wasteful number, since it uses less digits than its factorization.

34323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23591 (or 23589 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34323140 is about 5858.5953948024. The cubic root of 34323140 is about 324.9842674830.

Adding to 34323140 its reverse (4132343), we get a palindrome (38455483).

The spelling of 34323140 in words is "thirty-four million, three hundred twenty-three thousand, one hundred forty".