378620 has 24 divisors (see below), whose sum is σ = 867888. Its totient is φ = 137600.

The previous prime is 378619. The next prime is 378629. The reversal of 378620 is 26873.

378620 = T₈₁ + T₈₂ + ... + T₁₄₀.

It is a self number, because there is not a number n which added to its sum of digits gives 378620.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378620.

It is not an unprimeable number, because it can be changed into a prime (378629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641 + ... + 1080.

It is an arithmetic number, because the mean of its divisors is an integer number (36162).

2³⁷⁸⁶²⁰ is an apocalyptic number.

It is an amenable number.

378620 is an abundant number, since it is smaller than the sum of its proper divisors (489268).

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

378620 is a wasteful number, since it uses less digits than its factorization.

378620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 378620 is about 615.3210544098. The cubic root of 378620 is about 72.3437777656.

The spelling of 378620 in words is "three hundred seventy-eight thousand, six hundred twenty".