84149748 has 36 divisors (see below), whose sum is σ = 219576448. Its totient is φ = 27144720.

The previous prime is 84149713. The next prime is 84149761. The reversal of 84149748 is 84794148.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36586 + ... + 38817.

Almost surely, 2^84149748 is an apocalyptic number.

It is an amenable number.

84149748 is an abundant number, since it is smaller than the sum of its proper divisors (135426700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84149748 is a wasteful number, since it uses less digits than its factorization.

84149748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75444 (or 75439 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 84149748 is about 9173.3171753734. The cubic root of 84149748 is about 438.2120072038.

The spelling of 84149748 in words is "eighty-four million, one hundred forty-nine thousand, seven hundred forty-eight".