1406724434 has 4 divisors (see below), whose sum is σ = 2110086654. Its totient is φ = 703362216.

The previous prime is 1406724409. The next prime is 1406724439. The reversal of 1406724434 is 4344276041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1343442409 + 63282025 = 36653^2 + 7955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1406724394 and 1406724403.

It is not an unprimeable number, because it can be changed into a prime (1406724439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351681107 + ... + 351681110.

Almost surely, 2^1406724434 is an apocalyptic number.

1406724434 is a deficient number, since it is larger than the sum of its proper divisors (703362220).

1406724434 is an equidigital number, since it uses as much as digits as its factorization.

1406724434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703362219.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 1406724434 is about 37506.3252532156. The cubic root of 1406724434 is about 1120.4771654081.

The spelling of 1406724434 in words is "one billion, four hundred six million, seven hundred twenty-four thousand, four hundred thirty-four".