34263640 has 32 divisors (see below), whose sum is σ = 77410080. Its totient is φ = 13649152.

The previous prime is 34263637. The next prime is 34263661. The reversal of 34263640 is 4636243.

It is a junction number, because it is equal to n+sod(n) for n = 34263599 and 34263608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8892 + ... + 12148.

It is an arithmetic number, because the mean of its divisors is an integer number (2419065).

Almost surely, 2^34263640 is an apocalyptic number.

It is an amenable number.

34263640 is an abundant number, since it is smaller than the sum of its proper divisors (43146440).

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

34263640 is a wasteful number, since it uses less digits than its factorization.

34263640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 34263640 is about 5853.5151832040. The cubic root of 34263640 is about 324.7963694823.

Adding to 34263640 its reverse (4636243), we get a palindrome (38899883).

The spelling of 34263640 in words is "thirty-four million, two hundred sixty-three thousand, six hundred forty".