94028040 has 80 divisors (see below), whose sum is σ = 316049580. Its totient is φ = 25073280.

The previous prime is 94028029. The next prime is 94028041. The reversal of 94028040 is 4082049.

It can be written as a sum of positive squares in 2 ways, for example, as 87946884 + 6081156 = 9378^2 + 2466^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 94027995 and 94028013.

It is not an unprimeable number, because it can be changed into a prime (94028041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11271 + ... + 17750.

Almost surely, 2^94028040 is an apocalyptic number.

94028040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

94028040 is an abundant number, since it is smaller than the sum of its proper divisors (222021540).

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

94028040 is a wasteful number, since it uses less digits than its factorization.

94028040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29044 (or 29031 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 94028040 is about 9696.8056595974. The cubic root of 94028040 is about 454.7288002659.

It can be divided in two parts, 9 and 4028040, that added together give a square (4028049 = 2007²).

The spelling of 94028040 in words is "ninety-four million, twenty-eight thousand, forty".