1406213432 has 16 divisors (see below), whose sum is σ = 2839469640. Its totient is φ = 649021536.

The previous prime is 1406213407. The next prime is 1406213441. The reversal of 1406213432 is 2343126041.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6760538 + ... + 6760745.

Almost surely, 2^1406213432 is an apocalyptic number.

It is an amenable number.

1406213432 is an abundant number, since it is smaller than the sum of its proper divisors (1433256208).

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

1406213432 is a wasteful number, since it uses less digits than its factorization.

1406213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521302 (or 13521298 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1406213432 is about 37499.5124234969. The cubic root of 1406213432 is about 1120.3414753842.

Adding to 1406213432 its reverse (2343126041), we get a palindrome (3749339473).

The spelling of 1406213432 in words is "one billion, four hundred six million, two hundred thirteen thousand, four hundred thirty-two".