34431988 has 6 divisors (see below), whose sum is σ = 60255986. Its totient is φ = 17215992.

The previous prime is 34431977. The next prime is 34431997. The reversal of 34431988 is 88913443.

34431988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 18766224 + 15665764 = 4332^2 + 3958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34431988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4303995 + ... + 4304002.

Almost surely, 2^34431988 is an apocalyptic number.

It is an amenable number.

34431988 is a deficient number, since it is larger than the sum of its proper divisors (25823998).

34431988 is a wasteful number, since it uses less digits than its factorization.

34431988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8608001 (or 8607999 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 34431988 is about 5867.8776401694. The cubic root of 34431988 is about 325.3274427664.

The spelling of 34431988 in words is "thirty-four million, four hundred thirty-one thousand, nine hundred eighty-eight".