34890621 has 8 divisors (see below), whose sum is σ = 46660224. Its totient is φ = 23190720.

The previous prime is 34890619. The next prime is 34890623. The reversal of 34890621 is 12609843.

34890621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (34890619) and next prime (34890623).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34890621 - 2¹ = 34890619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34890623) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 16245 + ... + 18266.

It is an arithmetic number, because the mean of its divisors is an integer number (5832528).

Almost surely, 2^34890621 is an apocalyptic number.

It is an amenable number.

34890621 is a deficient number, since it is larger than the sum of its proper divisors (11769603).

34890621 is a wasteful number, since it uses less digits than its factorization.

34890621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34851.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 34890621 is about 5906.8283367642. The cubic root of 34890621 is about 326.7655269067.

It can be divided in two parts, 34890 and 621, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 34890621 in words is "thirty-four million, eight hundred ninety thousand, six hundred twenty-one".