1382621998 has 8 divisors (see below), whose sum is σ = 2075971320. Its totient is φ = 690631560.

The previous prime is 1382621921. The next prime is 1382622011. The reversal of 1382621998 is 8991262831.

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

It is a congruent number.

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, 337173 + ... + 341248.

It is an arithmetic number, because the mean of its divisors is an integer number (259496415).

Almost surely, 2^1382621998 is an apocalyptic number.

1382621998 is a deficient number, since it is larger than the sum of its proper divisors (693349322).

1382621998 is a wasteful number, since it uses less digits than its factorization.

1382621998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679442.

The product of its digits is 373248, while the sum is 49.

The square root of 1382621998 is about 37183.6254015124. The cubic root of 1382621998 is about 1114.0409478613.

The spelling of 1382621998 in words is "one billion, three hundred eighty-two million, six hundred twenty-one thousand, nine hundred ninety-eight".