378370 has 16 divisors (see below), whose sum is σ = 688248. Its totient is φ = 149760.

The previous prime is 378361. The next prime is 378379. The reversal of 378370 is 73873.

378370 = 48² + 49² + ... + 107².

It is an interprime number because it is at equal distance from previous prime (378361) and next prime (378379).

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 68121 = 557^2 + 261^2 .

It is not an unprimeable number, because it can be changed into a prime (378379) by changing a digit.

378370 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450 + ... + 1690.

2³⁷⁸³⁷⁰ is an apocalyptic number.

378370 is a deficient number, since it is larger than the sum of its proper divisors (309878).

378370 is a wasteful number, since it uses less digits than its factorization.

378370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 378370 is about 615.1178748825. The cubic root of 378370 is about 72.3278515717.

The spelling of 378370 in words is "three hundred seventy-eight thousand, three hundred seventy".