34420837 has 16 divisors (see below), whose sum is σ = 39816000. Its totient is φ = 29427840.

The previous prime is 34420829. The next prime is 34420889. The reversal of 34420837 is 73802443.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34420837 - 2³ = 34420829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34420799 and 34420808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34420807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32289 + ... + 33337.

It is an arithmetic number, because the mean of its divisors is an integer number (2488500).

Almost surely, 2^34420837 is an apocalyptic number.

It is an amenable number.

34420837 is a deficient number, since it is larger than the sum of its proper divisors (5395163).

34420837 is a wasteful number, since it uses less digits than its factorization.

34420837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 34420837 is about 5866.9273900399. The cubic root of 34420837 is about 325.2923192450.

The spelling of 34420837 in words is "thirty-four million, four hundred twenty thousand, eight hundred thirty-seven".