84629643 has 16 divisors (see below), whose sum is σ = 130886400. Its totient is φ = 47637216.

The previous prime is 84629639. The next prime is 84629647. The reversal of 84629643 is 34692648.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84629639) and next prime (84629647).

It is not a de Polignac number, because 84629643 - 2² = 84629639 is a prime.

It is a super-3 number, since 3×84629643³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84629595 and 84629604.

It is not an unprimeable number, because it can be changed into a prime (84629647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28668 + ... + 31481.

It is an arithmetic number, because the mean of its divisors is an integer number (8180400).

Almost surely, 2^84629643 is an apocalyptic number.

84629643 is a deficient number, since it is larger than the sum of its proper divisors (46256757).

84629643 is a wasteful number, since it uses less digits than its factorization.

84629643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60226.

The product of its digits is 248832, while the sum is 42.

The square root of 84629643 is about 9199.4371023449. The cubic root of 84629643 is about 439.0434505727.

The spelling of 84629643 in words is "eighty-four million, six hundred twenty-nine thousand, six hundred forty-three".