1420984446 has 16 divisors (see below), whose sum is σ = 3247964544. Its totient is φ = 405995544.

The previous prime is 1420984399. The next prime is 1420984507. The reversal of 1420984446 is 6444890241.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 33832963 = 1420984446 / (1 + 4 + 2 + 0 + 9 + 8 + 4 + 4 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 1420984398 and 1420984407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16916440 + ... + 16916523.

It is an arithmetic number, because the mean of its divisors is an integer number (202997784).

Almost surely, 2^1420984446 is an apocalyptic number.

1420984446 is an abundant number, since it is smaller than the sum of its proper divisors (1826980098).

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

1420984446 is a wasteful number, since it uses less digits than its factorization.

1420984446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33832975.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1420984446 is about 37695.9473418563. The cubic root of 1420984446 is about 1124.2505483479.

The spelling of 1420984446 in words is "one billion, four hundred twenty million, nine hundred eighty-four thousand, four hundred forty-six".