378512028 has 30 divisors (see below), whose sum is σ = 989506056. Its totient is φ = 126170568.

The previous prime is 378512023. The next prime is 378512033. The reversal of 378512028 is 820215873.

It is an interprime number because it is at equal distance from previous prime (378512023) and next prime (378512033).

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 = 378511983 and 378512001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378512023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 583800 + ... + 584447.

Almost surely, 2^378512028 is an apocalyptic number.

It is an amenable number.

378512028 is an abundant number, since it is smaller than the sum of its proper divisors (610994028).

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

378512028 is a wasteful number, since it uses less digits than its factorization.

378512028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168263 (or 1168252 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 378512028 is about 19455.3855782917. The cubic root of 378512028 is about 723.3690029390.

The spelling of 378512028 in words is "three hundred seventy-eight million, five hundred twelve thousand, twenty-eight".