1420409382 has 32 divisors (see below), whose sum is σ = 3255033600. Its totient is φ = 404783328.

The previous prime is 1420409329. The next prime is 1420409387. The reversal of 1420409382 is 2839040241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420409387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27132 + ... + 59807.

It is an arithmetic number, because the mean of its divisors is an integer number (101719800).

Almost surely, 2^1420409382 is an apocalyptic number.

1420409382 is an abundant number, since it is smaller than the sum of its proper divisors (1834624218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420409382 is a wasteful number, since it uses less digits than its factorization.

1420409382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87340.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1420409382 is about 37688.3189065259. The cubic root of 1420409382 is about 1124.0988687025.

The spelling of 1420409382 in words is "one billion, four hundred twenty million, four hundred nine thousand, three hundred eighty-two".