84084949 has 8 divisors (see below), whose sum is σ = 93675960. Its totient is φ = 74940096.

The previous prime is 84084943. The next prime is 84084991. The reversal of 84084949 is 94948048.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1456849 + 82628100 = 1207^2 + 9090^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 84084949 - 2⁷ = 84084821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84084899 and 84084908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84084943) 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, 111142 + ... + 111895.

It is an arithmetic number, because the mean of its divisors is an integer number (11709495).

Almost surely, 2^84084949 is an apocalyptic number.

It is an amenable number.

84084949 is a deficient number, since it is larger than the sum of its proper divisors (9591011).

84084949 is a wasteful number, since it uses less digits than its factorization.

84084949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223079.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 84084949 is about 9169.7845667169. The cubic root of 84084949 is about 438.0994974923.

The spelling of 84084949 in words is "eighty-four million, eighty-four thousand, nine hundred forty-nine".