34891998 has 8 divisors (see below), whose sum is σ = 69784008. Its totient is φ = 11630664.

The previous prime is 34891993. The next prime is 34892003. The reversal of 34891998 is 89919843.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34891993) and next prime (34892003).

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

34891998 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 34891998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34891991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907661 + ... + 2907672.

It is an arithmetic number, because the mean of its divisors is an integer number (8723001).

Almost surely, 2^34891998 is an apocalyptic number.

34891998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

34891998 is a wasteful number, since it uses less digits than its factorization.

34891998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815338.

The product of its digits is 559872, while the sum is 51.

The square root of 34891998 is about 5906.9448956292. The cubic root of 34891998 is about 326.7698255807.

The spelling of 34891998 in words is "thirty-four million, eight hundred ninety-one thousand, nine hundred ninety-eight".