369440028 has 60 divisors (see below), whose sum is σ = 1016637160. Its totient is φ = 116663328.

The previous prime is 369440017. The next prime is 369440033. The reversal of 369440028 is 820044963.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 369439974 and 369440001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23851 + ... + 36162.

Almost surely, 2^369440028 is an apocalyptic number.

369440028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

369440028 is an abundant number, since it is smaller than the sum of its proper divisors (647197132).

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

369440028 is a wasteful number, since it uses less digits than its factorization.

369440028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60048 (or 60037 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 369440028 is about 19220.8227711511. The cubic root of 369440028 is about 717.5430839301.

The spelling of 369440028 in words is "three hundred sixty-nine million, four hundred forty thousand, twenty-eight".