378938441 has 8 divisors (see below), whose sum is σ = 443635584. Its totient is φ = 316882080.

The previous prime is 378938429. The next prime is 378938453. The reversal of 378938441 is 144839873.

It is an interprime number because it is at equal distance from previous prime (378938429) and next prime (378938453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378938441 - 2⁶ = 378938377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378938411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659885 + ... + 660458.

It is an arithmetic number, because the mean of its divisors is an integer number (55454448).

Almost surely, 2^378938441 is an apocalyptic number.

It is an amenable number.

378938441 is a deficient number, since it is larger than the sum of its proper divisors (64697143).

378938441 is a wasteful number, since it uses less digits than its factorization.

378938441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320391.

The product of its digits is 580608, while the sum is 47.

The square root of 378938441 is about 19466.3412330104. The cubic root of 378938441 is about 723.6405382902.

The spelling of 378938441 in words is "three hundred seventy-eight million, nine hundred thirty-eight thousand, four hundred forty-one".