34887818 has 32 divisors (see below), whose sum is σ = 62774784. Its totient is φ = 14228352.

The previous prime is 34887817. The next prime is 34887829. The reversal of 34887818 is 81878843.

It is a happy number.

It is a super-2 number, since 2×34887818² = 2434319689602248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (34887817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23630 + ... + 25062.

It is an arithmetic number, because the mean of its divisors is an integer number (1961712).

Almost surely, 2^34887818 is an apocalyptic number.

34887818 is a deficient number, since it is larger than the sum of its proper divisors (27886966).

34887818 is a wasteful number, since it uses less digits than its factorization.

34887818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its digits is 344064, while the sum is 47.

The square root of 34887818 is about 5906.5910642265. The cubic root of 34887818 is about 326.7567762428.

Subtracting 34887818 from its reverse (81878843), we obtain a square (46991025 = 6855²).

The spelling of 34887818 in words is "thirty-four million, eight hundred eighty-seven thousand, eight hundred eighteen".