84949970 has 64 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 28112832.

The previous prime is 84949967. The next prime is 84949973. The reversal of 84949970 is 7994948.

It is an interprime number because it is at equal distance from previous prime (84949967) and next prime (84949973).

It is not an unprimeable number, because it can be changed into a prime (84949973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276557 + ... + 276863.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^84949970 is an apocalyptic number.

84949970 is an abundant number, since it is smaller than the sum of its proper divisors (96006190).

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

84949970 is a wasteful number, since it uses less digits than its factorization.

84949970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 84949970 is about 9216.8308002263. The cubic root of 84949970 is about 439.5966862117.

The spelling of 84949970 in words is "eighty-four million, nine hundred forty-nine thousand, nine hundred seventy".