378951 has 4 divisors (see below), whose sum is σ = 505272. Its totient is φ = 252632.

The previous prime is 378949. The next prime is 378953. The reversal of 378951 is 159873.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (378949) and next prime (378953).

It is a cyclic number.

It is not a de Polignac number, because 378951 - 2¹ = 378949 is a prime.

It is a D-number.

378951 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63156 + ... + 63161.

It is an arithmetic number, because the mean of its divisors is an integer number (126318).

2³⁷⁸⁹⁵¹ is an apocalyptic number.

378951 is a deficient number, since it is larger than the sum of its proper divisors (126321).

378951 is a wasteful number, since it uses less digits than its factorization.

378951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126320.

The product of its digits is 7560, while the sum is 33.

The square root of 378951 is about 615.5899609318. The cubic root of 378951 is about 72.3648532642.

The spelling of 378951 in words is "three hundred seventy-eight thousand, nine hundred fifty-one".