34868991 has 16 divisors (see below), whose sum is σ = 48549600. Its totient is φ = 22232448.

The previous prime is 34868969. The next prime is 34869007. The reversal of 34868991 is 19986843.

It is not a de Polignac number, because 34868991 - 2⁵ = 34868959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34868991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34868291) 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, 7645 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (3034350).

Almost surely, 2^34868991 is an apocalyptic number.

34868991 is a deficient number, since it is larger than the sum of its proper divisors (13680609).

34868991 is a wasteful number, since it uses less digits than its factorization.

34868991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818.

The product of its digits is 373248, while the sum is 48.

The square root of 34868991 is about 5904.9971210831. The cubic root of 34868991 is about 326.6979882272.

The spelling of 34868991 in words is "thirty-four million, eight hundred sixty-eight thousand, nine hundred ninety-one".