84669949 has 16 divisors (see below), whose sum is σ = 107029888. Its totient is φ = 65178432.

The previous prime is 84669931. The next prime is 84669971. The reversal of 84669949 is 94996648.

It is a cyclic number.

It is not a de Polignac number, because 84669949 - 2⁹ = 84669437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84669949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84669919) 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, 9207 + ... + 15940.

It is an arithmetic number, because the mean of its divisors is an integer number (6689368).

Almost surely, 2^84669949 is an apocalyptic number.

It is an amenable number.

84669949 is a deficient number, since it is larger than the sum of its proper divisors (22359939).

84669949 is a wasteful number, since it uses less digits than its factorization.

84669949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25204.

The product of its digits is 3359232, while the sum is 55.

The square root of 84669949 is about 9201.6275190860. The cubic root of 84669949 is about 439.1131396167.

The spelling of 84669949 in words is "eighty-four million, six hundred sixty-nine thousand, nine hundred forty-nine".