3231406378 has 8 divisors (see below), whose sum is σ = 4872487680. Its totient is φ = 1607243820.

The previous prime is 3231406363. The next prime is 3231406397. The reversal of 3231406378 is 8736041323.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229208 + ... + 4229971.

It is an arithmetic number, because the mean of its divisors is an integer number (609060960).

Almost surely, 2^3231406378 is an apocalyptic number.

3231406378 is a deficient number, since it is larger than the sum of its proper divisors (1641081302).

3231406378 is a wasteful number, since it uses less digits than its factorization.

3231406378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8459372.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 3231406378 is about 56845.4604871840. The cubic root of 3231406378 is about 1478.4178335048.

The spelling of 3231406378 in words is "three billion, two hundred thirty-one million, four hundred six thousand, three hundred seventy-eight".