85001424 has 40 divisors (see below), whose sum is σ = 220104960. Its totient is φ = 28267008.

The previous prime is 85001387. The next prime is 85001431. The reversal of 85001424 is 42410058.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 85001394 and 85001403.

It is a congruent number.

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, 21144 + ... + 24840.

It is an arithmetic number, because the mean of its divisors is an integer number (5502624).

Almost surely, 2^85001424 is an apocalyptic number.

It is an amenable number.

85001424 is an abundant number, since it is smaller than the sum of its proper divisors (135103536).

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

85001424 is a wasteful number, since it uses less digits than its factorization.

85001424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 85001424 is about 9219.6216842124. The cubic root of 85001424 is about 439.6854225297.

The spelling of 85001424 in words is "eighty-five million, one thousand, four hundred twenty-four".