34254840 has 32 divisors (see below), whose sum is σ = 102764880. Its totient is φ = 9134592.

The previous prime is 34254839. The next prime is 34254863. The reversal of 34254840 is 4845243.

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 = 34254798 and 34254807.

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, 142609 + ... + 142848.

Almost surely, 2^34254840 is an apocalyptic number.

34254840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34254840 is an abundant number, since it is smaller than the sum of its proper divisors (68510040).

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

34254840 is a wasteful number, since it uses less digits than its factorization.

34254840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285471 (or 285467 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 34254840 is about 5852.7634498585. The cubic root of 34254840 is about 324.7685610651.

The spelling of 34254840 in words is "thirty-four million, two hundred fifty-four thousand, eight hundred forty".