34200991 has 8 divisors (see below), whose sum is σ = 39505104. Its totient is φ = 29262720.

The previous prime is 34200983. The next prime is 34200997. The reversal of 34200991 is 19900243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34200991 - 2³ = 34200983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34200997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91260 + ... + 91633.

It is an arithmetic number, because the mean of its divisors is an integer number (4938138).

Almost surely, 2^34200991 is an apocalyptic number.

34200991 is a deficient number, since it is larger than the sum of its proper divisors (5304113).

34200991 is a wasteful number, since it uses less digits than its factorization.

34200991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182921.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 34200991 is about 5848.1613349838. The cubic root of 34200991 is about 324.5982918489.

The spelling of 34200991 in words is "thirty-four million, two hundred thousand, nine hundred ninety-one".