378433497 has 32 divisors (see below), whose sum is σ = 561230208. Its totient is φ = 225340416.

The previous prime is 378433459. The next prime is 378433529. The reversal of 378433497 is 794334873.

It is a happy number.

It is not a de Polignac number, because 378433497 - 2⁷ = 378433369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378433897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188503 + ... + 190499.

It is an arithmetic number, because the mean of its divisors is an integer number (17538444).

Almost surely, 2^378433497 is an apocalyptic number.

It is an amenable number.

378433497 is a deficient number, since it is larger than the sum of its proper divisors (182796711).

378433497 is a wasteful number, since it uses less digits than its factorization.

378433497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169.

The product of its digits is 1524096, while the sum is 48.

The square root of 378433497 is about 19453.3672406604. The cubic root of 378433497 is about 723.3189729830.

The spelling of 378433497 in words is "three hundred seventy-eight million, four hundred thirty-three thousand, four hundred ninety-seven".