378948913 has 16 divisors (see below), whose sum is σ = 440689536. Its totient is φ = 319144320.

The previous prime is 378948883. The next prime is 378948919. The reversal of 378948913 is 319849873.

It is not a de Polignac number, because 378948913 - 2¹⁷ = 378817841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378948919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148458 + ... + 150988.

It is an arithmetic number, because the mean of its divisors is an integer number (27543096).

Almost surely, 2^378948913 is an apocalyptic number.

It is an amenable number.

378948913 is a deficient number, since it is larger than the sum of its proper divisors (61740623).

378948913 is a wasteful number, since it uses less digits than its factorization.

378948913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its digits is 1306368, while the sum is 52.

The square root of 378948913 is about 19466.6102082515. The cubic root of 378948913 is about 723.6472041873.

The spelling of 378948913 in words is "three hundred seventy-eight million, nine hundred forty-eight thousand, nine hundred thirteen".