84961470 has 32 divisors (see below), whose sum is σ = 222445440. Its totient is φ = 20596640.

The previous prime is 84961463. The next prime is 84961489. The reversal of 84961470 is 7416948.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128400 + ... + 129059.

It is an arithmetic number, because the mean of its divisors is an integer number (6951420).

Almost surely, 2^84961470 is an apocalyptic number.

84961470 is an abundant number, since it is smaller than the sum of its proper divisors (137483970).

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

84961470 is a wasteful number, since it uses less digits than its factorization.

84961470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257480.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 84961470 is about 9217.4546378054. The cubic root of 84961470 is about 439.6165219408.

The spelling of 84961470 in words is "eighty-four million, nine hundred sixty-one thousand, four hundred seventy".