34503840 has 288 divisors, whose sum is σ = 141341760. Its totient is φ = 7838208.

The previous prime is 34503839. The next prime is 34503871. The reversal of 34503840 is 4830543.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211599 + ... + 211761.

It is an arithmetic number, because the mean of its divisors is an integer number (490770).

Almost surely, 2^34503840 is an apocalyptic number.

34503840 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 34503840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70670880).

34503840 is an abundant number, since it is smaller than the sum of its proper divisors (106837920).

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

34503840 is a wasteful number, since it uses less digits than its factorization.

34503840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 34503840 is about 5873.9969356478. The cubic root of 34503840 is about 325.5535811898.

The spelling of 34503840 in words is "thirty-four million, five hundred three thousand, eight hundred forty".