34640352 has 48 divisors (see below), whose sum is σ = 101036880. Its totient is φ = 11546496.

The previous prime is 34640317. The next prime is 34640357. The reversal of 34640352 is 25304643.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34640357) 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, 19183 + ... + 20910.

It is an arithmetic number, because the mean of its divisors is an integer number (2104935).

Almost surely, 2^34640352 is an apocalyptic number.

34640352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

34640352 is an abundant number, since it is smaller than the sum of its proper divisors (66396528).

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

34640352 is a wasteful number, since it uses less digits than its factorization.

34640352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40112 (or 40098 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 34640352 is about 5885.6054913662. The cubic root of 34640352 is about 325.9823594404.

Adding to 34640352 its reverse (25304643), we get a palindrome (59944995).

The spelling of 34640352 in words is "thirty-four million, six hundred forty thousand, three hundred fifty-two".