84738429 has 12 divisors (see below), whose sum is σ = 124124832. Its totient is φ = 55696200.

The previous prime is 84738397. The next prime is 84738443. The reversal of 84738429 is 92483748.

It is not a de Polignac number, because 84738429 - 2⁵ = 84738397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84738449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65667 + ... + 66944.

It is an arithmetic number, because the mean of its divisors is an integer number (10343736).

Almost surely, 2^84738429 is an apocalyptic number.

It is an amenable number.

84738429 is a deficient number, since it is larger than the sum of its proper divisors (39386403).

84738429 is a wasteful number, since it uses less digits than its factorization.

84738429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132688 (or 132685 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 84738429 is about 9205.3478478545. The cubic root of 84738429 is about 439.2314907945.

The spelling of 84738429 in words is "eighty-four million, seven hundred thirty-eight thousand, four hundred twenty-nine".