1420698384 has 120 divisors (see below), whose sum is σ = 4598997312. Its totient is φ = 400999680.

The previous prime is 1420698353. The next prime is 1420698397. The reversal of 1420698384 is 4838960241.

It is a happy number.

It is a super-2 number, since 2×1420698384² = 4036767796600422912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75174 + ... + 92154.

Almost surely, 2^1420698384 is an apocalyptic number.

1420698384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420698384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299498656).

1420698384 is an abundant number, since it is smaller than the sum of its proper divisors (3178298928).

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

1420698384 is a wasteful number, since it uses less digits than its factorization.

1420698384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17085 (or 17076 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1420698384 is about 37692.1528172642. The cubic root of 1420698384 is about 1124.1751013706.

The spelling of 1420698384 in words is "one billion, four hundred twenty million, six hundred ninety-eight thousand, three hundred eighty-four".