34091940 has 48 divisors (see below), whose sum is σ = 98542080. Its totient is φ = 8797440.

The previous prime is 34091929. The next prime is 34091969. The reversal of 34091940 is 4919043.

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 = 34091898 and 34091907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (2052960).

Almost surely, 2^34091940 is an apocalyptic number.

34091940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34091940 is an abundant number, since it is smaller than the sum of its proper divisors (64450140).

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

34091940 is a wasteful number, since it uses less digits than its factorization.

34091940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18372 (or 18370 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 34091940 is about 5838.8303623243. The cubic root of 34091940 is about 324.2529270276.

The spelling of 34091940 in words is "thirty-four million, ninety-one thousand, nine hundred forty".