1406234844 has 60 divisors (see below), whose sum is σ = 4201350384. Its totient is φ = 401780736.

The previous prime is 1406234831. The next prime is 1406234857. The reversal of 1406234844 is 4484326041.

It is an interprime number because it is at equal distance from previous prime (1406234831) and next prime (1406234857).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1406234799 and 1406234808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 307749 + ... + 312284.

Almost surely, 2^1406234844 is an apocalyptic number.

1406234844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1406234844 is an abundant number, since it is smaller than the sum of its proper divisors (2795115540).

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

1406234844 is a wasteful number, since it uses less digits than its factorization.

1406234844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620056 (or 620045 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 1406234844 is about 37499.7979194555. The cubic root of 1406234844 is about 1120.3471617258.

The spelling of 1406234844 in words is "one billion, four hundred six million, two hundred thirty-four thousand, eight hundred forty-four".