1978832414 has 8 divisors (see below), whose sum is σ = 3196575480. Its totient is φ = 913307256.

The previous prime is 1978832413. The next prime is 1978832417. The reversal of 1978832414 is 4142388791.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1978832413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38054444 + ... + 38054495.

It is an arithmetic number, because the mean of its divisors is an integer number (399571935).

Almost surely, 2^1978832414 is an apocalyptic number.

1978832414 is a deficient number, since it is larger than the sum of its proper divisors (1217743066).

1978832414 is a wasteful number, since it uses less digits than its factorization.

1978832414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76108954.

The product of its digits is 387072, while the sum is 47.

The square root of 1978832414 is about 44484.0692158440. The cubic root of 1978832414 is about 1255.4603611534.

The spelling of 1978832414 in words is "one billion, nine hundred seventy-eight million, eight hundred thirty-two thousand, four hundred fourteen".