34284021 has 8 divisors (see below), whose sum is σ = 45849024. Its totient is φ = 22787520.

The previous prime is 34284011. The next prime is 34284023. The reversal of 34284021 is 12048243.

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

It is not a de Polignac number, because 34284021 - 2⁵ = 34283989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34283982 and 34284000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34284023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15945 + ... + 17966.

It is an arithmetic number, because the mean of its divisors is an integer number (5731128).

Almost surely, 2^34284021 is an apocalyptic number.

It is an amenable number.

34284021 is a deficient number, since it is larger than the sum of its proper divisors (11565003).

34284021 is a wasteful number, since it uses less digits than its factorization.

34284021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34251.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 34284021 is about 5855.2558441113. The cubic root of 34284021 is about 324.8607561296.

The spelling of 34284021 in words is "thirty-four million, two hundred eighty-four thousand, twenty-one".