378901369 has 24 divisors (see below), whose sum is σ = 487653696. Its totient is φ = 291060000.

The previous prime is 378901343. The next prime is 378901403. The reversal of 378901369 is 963109873.

It is not a de Polignac number, because 378901369 - 2¹¹ = 378899321 is a prime.

It is a super-2 number, since 2×378901369² = 287132494860148322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378901669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33319 + ... + 43219.

It is an arithmetic number, because the mean of its divisors is an integer number (20318904).

Almost surely, 2^378901369 is an apocalyptic number.

It is an amenable number.

378901369 is a deficient number, since it is larger than the sum of its proper divisors (108752327).

378901369 is a wasteful number, since it uses less digits than its factorization.

378901369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9997 (or 9990 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 378901369 is about 19465.3890020210. The cubic root of 378901369 is about 723.6169393147.

The spelling of 378901369 in words is "three hundred seventy-eight million, nine hundred one thousand, three hundred sixty-nine".