34783940 has 12 divisors (see below), whose sum is σ = 73046316. Its totient is φ = 13913568.

The previous prime is 34783933. The next prime is 34783961. The reversal of 34783940 is 4938743.

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 31158724 = 1904^2 + 5582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34783894 and 34783903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869579 + ... + 869618.

It is an arithmetic number, because the mean of its divisors is an integer number (6087193).

Almost surely, 2^34783940 is an apocalyptic number.

It is an amenable number.

34783940 is an abundant number, since it is smaller than the sum of its proper divisors (38262376).

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

34783940 is a wasteful number, since it uses less digits than its factorization.

34783940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739206 (or 1739204 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 34783940 is about 5897.7911119333. The cubic root of 34783940 is about 326.4321492306.

The spelling of 34783940 in words is "thirty-four million, seven hundred eighty-three thousand, nine hundred forty".