34283640 has 32 divisors (see below), whose sum is σ = 102851280. Its totient is φ = 9142272.

The previous prime is 34283621. The next prime is 34283651. The reversal of 34283640 is 4638243.

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 = 34283598 and 34283607.

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, 142729 + ... + 142968.

Almost surely, 2^34283640 is an apocalyptic number.

34283640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34283640 is an abundant number, since it is smaller than the sum of its proper divisors (68567640).

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

34283640 is a wasteful number, since it uses less digits than its factorization.

34283640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285711 (or 285707 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 34283640 is about 5855.2233091488. The cubic root of 34283640 is about 324.8595527273.

The spelling of 34283640 in words is "thirty-four million, two hundred eighty-three thousand, six hundred forty".