34056840 has 32 divisors (see below), whose sum is σ = 102170880. Its totient is φ = 9081792.

The previous prime is 34056839. The next prime is 34056853. The reversal of 34056840 is 4865043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 34056798 and 34056807.

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, 141784 + ... + 142023.

It is an arithmetic number, because the mean of its divisors is an integer number (3192840).

Almost surely, 2^34056840 is an apocalyptic number.

34056840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34056840 is an abundant number, since it is smaller than the sum of its proper divisors (68114040).

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

34056840 is a wasteful number, since it uses less digits than its factorization.

34056840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283821 (or 283817 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 34056840 is about 5835.8238492950. The cubic root of 34056840 is about 324.1416085761.

The spelling of 34056840 in words is "thirty-four million, fifty-six thousand, eight hundred forty".