84405338 has 8 divisors (see below), whose sum is σ = 128210880. Its totient is φ = 41668380.

The previous prime is 84405337. The next prime is 84405359. The reversal of 84405338 is 83350448.

It is a happy number.

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

It is a super-2 number, since 2×84405338² = 14248522165788488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84405298 and 84405307.

It is not an unprimeable number, because it can be changed into a prime (84405337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266948 + ... + 267263.

It is an arithmetic number, because the mean of its divisors is an integer number (16026360).

Almost surely, 2^84405338 is an apocalyptic number.

84405338 is a deficient number, since it is larger than the sum of its proper divisors (43805542).

84405338 is a wasteful number, since it uses less digits than its factorization.

84405338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534292.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 84405338 is about 9187.2377785709. The cubic root of 84405338 is about 438.6552226402.

The spelling of 84405338 in words is "eighty-four million, four hundred five thousand, three hundred thirty-eight".