84455436 has 24 divisors (see below), whose sum is σ = 212221744. Its totient is φ = 25986240.

The previous prime is 84455419. The next prime is 84455461. The reversal of 84455436 is 63455448.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 84455394 and 84455403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270535 + ... + 270846.

Almost surely, 2^84455436 is an apocalyptic number.

It is an amenable number.

84455436 is an abundant number, since it is smaller than the sum of its proper divisors (127766308).

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

84455436 is a wasteful number, since it uses less digits than its factorization.

84455436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541401 (or 541399 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 84455436 is about 9189.9638737048. The cubic root of 84455436 is about 438.7419920455.

It can be divided in two parts, 844 and 55436, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 84455436 in words is "eighty-four million, four hundred fifty-five thousand, four hundred thirty-six".