34471987 has 8 divisors (see below), whose sum is σ = 38121840. Its totient is φ = 30908160.

The previous prime is 34471961. The next prime is 34472017. The reversal of 34471987 is 78917443.

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 34471987 - 2⁷ = 34471859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34471487) 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, 20662 + ... + 22267.

It is an arithmetic number, because the mean of its divisors is an integer number (4765230).

Almost surely, 2^34471987 is an apocalyptic number.

34471987 is a deficient number, since it is larger than the sum of its proper divisors (3649853).

34471987 is a wasteful number, since it uses less digits than its factorization.

34471987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43013.

The product of its digits is 169344, while the sum is 43.

The square root of 34471987 is about 5871.2849530576. The cubic root of 34471987 is about 325.4533696296.

The spelling of 34471987 in words is "thirty-four million, four hundred seventy-one thousand, nine hundred eighty-seven".