34646040 has 192 divisors, whose sum is σ = 132481440. Its totient is φ = 7741440.

The previous prime is 34646021. The next prime is 34646041. The reversal of 34646040 is 4064643.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34645995 and 34646013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34646041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51144 + ... + 51816.

Almost surely, 2^34646040 is an apocalyptic number.

34646040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34646040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66240720).

34646040 is an abundant number, since it is smaller than the sum of its proper divisors (97835400).

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

34646040 is a wasteful number, since it uses less digits than its factorization.

34646040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 34646040 is about 5886.0886843472. The cubic root of 34646040 is about 326.0002007351. Note that the first 3 decimals are identical.

The spelling of 34646040 in words is "thirty-four million, six hundred forty-six thousand, forty".