1406605632 has 28 divisors (see below), whose sum is σ = 3721644576. Its totient is φ = 468868480.

The previous prime is 1406605631. The next prime is 1406605643. The reversal of 1406605632 is 2365066041.

It is a junction number, because it is equal to n+sod(n) for n = 1406605593 and 1406605602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406605631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3662844 + ... + 3663227.

Almost surely, 2^1406605632 is an apocalyptic number.

1406605632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1406605632 is an abundant number, since it is smaller than the sum of its proper divisors (2315038944).

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

1406605632 is an equidigital number, since it uses as much as digits as its factorization.

1406605632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326086 (or 7326076 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1406605632 is about 37504.7414602474. The cubic root of 1406605632 is about 1120.4456219936.

The spelling of 1406605632 in words is "one billion, four hundred six million, six hundred five thousand, six hundred thirty-two".