378306982 has 4 divisors (see below), whose sum is σ = 567460476. Its totient is φ = 189153490.

The previous prime is 378306947. The next prime is 378306983. The reversal of 378306982 is 289603873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289603873 = 13 ⋅22277221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378306983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94576744 + ... + 94576747.

It is an arithmetic number, because the mean of its divisors is an integer number (141865119).

Almost surely, 2^378306982 is an apocalyptic number.

378306982 is a deficient number, since it is larger than the sum of its proper divisors (189153494).

378306982 is a wasteful number, since it uses less digits than its factorization.

378306982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189153493.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 378306982 is about 19450.1152181677. The cubic root of 378306982 is about 723.2383591718.

The spelling of 378306982 in words is "three hundred seventy-eight million, three hundred six thousand, nine hundred eighty-two".