378403107 has 64 divisors (see below), whose sum is σ = 590976000. Its totient is φ = 213954048.

The previous prime is 378403099. The next prime is 378403117. The reversal of 378403107 is 701304873.

It is not a de Polignac number, because 378403107 - 2³ = 378403099 is a prime.

It is a super-2 number, since 2×378403107² = 286377822774506898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378403117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1406569 + ... + 1406837.

It is an arithmetic number, because the mean of its divisors is an integer number (9234000).

Almost surely, 2^378403107 is an apocalyptic number.

378403107 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

378403107 is a deficient number, since it is larger than the sum of its proper divisors (212572893).

378403107 is a wasteful number, since it uses less digits than its factorization.

378403107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 378403107 is about 19452.5861262712. The cubic root of 378403107 is about 723.2996104863.

The spelling of 378403107 in words is "three hundred seventy-eight million, four hundred three thousand, one hundred seven".