1406998152 has 144 divisors (see below), whose sum is σ = 4483568700. Its totient is φ = 397393920.

The previous prime is 1406998129. The next prime is 1406998181. The reversal of 1406998152 is 2518996041.

1406998152 is a `hidden beast` number, since 1 + 406 + 9 + 98 + 152 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1406700036 + 298116 = 37506^2 + 546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1406998098 and 1406998107.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 311752 + ... + 316232.

Almost surely, 2^1406998152 is an apocalyptic number.

1406998152 is a gapful number since it is divisible by the number (12) 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 1406998152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241784350).

1406998152 is an abundant number, since it is smaller than the sum of its proper divisors (3076570548).

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

1406998152 is a wasteful number, since it uses less digits than its factorization.

1406998152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1406998152 is about 37509.9740335821. The cubic root of 1406998152 is about 1120.5498341960.

The spelling of 1406998152 in words is "one billion, four hundred six million, nine hundred ninety-eight thousand, one hundred fifty-two".