34387988 has 6 divisors (see below), whose sum is σ = 60178986. Its totient is φ = 17193992.

The previous prime is 34387987. The next prime is 34387999. The reversal of 34387988 is 88978343.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 71824 = 5858^2 + 268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34387987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4298495 + ... + 4298502.

It is an arithmetic number, because the mean of its divisors is an integer number (10029831).

Almost surely, 2^34387988 is an apocalyptic number.

It is an amenable number.

34387988 is a deficient number, since it is larger than the sum of its proper divisors (25790998).

34387988 is a wasteful number, since it uses less digits than its factorization.

34387988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597001 (or 8596999 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 34387988 is about 5864.1272155369. The cubic root of 34387988 is about 325.1888070576.

The spelling of 34387988 in words is "thirty-four million, three hundred eighty-seven thousand, nine hundred eighty-eight".