1406706630 has 64 divisors (see below), whose sum is σ = 3867360768. Its totient is φ = 320785920.

The previous prime is 1406706583. The next prime is 1406706641. The reversal of 1406706630 is 366076041.

1406706630 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1406706591 and 1406706600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85470 + ... + 100590.

It is an arithmetic number, because the mean of its divisors is an integer number (60427512).

Almost surely, 2^1406706630 is an apocalyptic number.

1406706630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406706630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933680384).

1406706630 is an abundant number, since it is smaller than the sum of its proper divisors (2460654138).

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

1406706630 is a wasteful number, since it uses less digits than its factorization.

1406706630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15581.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1406706630 is about 37506.0879058320. The cubic root of 1406706630 is about 1120.4724383369.

The spelling of 1406706630 in words is "one billion, four hundred six million, seven hundred six thousand, six hundred thirty".