1420489394 has 8 divisors (see below), whose sum is σ = 2131878528. Its totient is φ = 709863220.

The previous prime is 1420489387. The next prime is 1420489429. The reversal of 1420489394 is 4939840241.

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, 186062 + ... + 193545.

It is an arithmetic number, because the mean of its divisors is an integer number (266484816).

Almost surely, 2^1420489394 is an apocalyptic number.

1420489394 is a deficient number, since it is larger than the sum of its proper divisors (711389134).

1420489394 is a wasteful number, since it uses less digits than its factorization.

1420489394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381480.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1420489394 is about 37689.3803875840. The cubic root of 1420489394 is about 1124.1199752255.

The spelling of 1420489394 in words is "one billion, four hundred twenty million, four hundred eighty-nine thousand, three hundred ninety-four".