84350405 has 16 divisors (see below), whose sum is σ = 108016320. Its totient is φ = 63047808.

The previous prime is 84350389. The next prime is 84350429. The reversal of 84350405 is 50405348.

It is a cyclic number.

It is not a de Polignac number, because 84350405 - 2⁴ = 84350389 is a prime.

It is a super-2 number, since 2×84350405² = 14229981647328050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (6751020).

Almost surely, 2^84350405 is an apocalyptic number.

It is an amenable number.

84350405 is a deficient number, since it is larger than the sum of its proper divisors (23665915).

84350405 is a wasteful number, since it uses less digits than its factorization.

84350405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12260.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 84350405 is about 9184.2476556330. The cubic root of 84350405 is about 438.5600395733.

The spelling of 84350405 in words is "eighty-four million, three hundred fifty thousand, four hundred five".