1429431684 has 12 divisors (see below), whose sum is σ = 3335340624. Its totient is φ = 476477224.

The previous prime is 1429431683. The next prime is 1429431701. The reversal of 1429431684 is 4861349241.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1429431683) 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, 59559642 + ... + 59559665.

It is an arithmetic number, because the mean of its divisors is an integer number (277945052).

Almost surely, 2^1429431684 is an apocalyptic number.

It is an amenable number.

1429431684 is an abundant number, since it is smaller than the sum of its proper divisors (1905908940).

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

1429431684 is a wasteful number, since it uses less digits than its factorization.

1429431684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119119314 (or 119119312 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1429431684 is about 37807.8256978631. The cubic root of 1429431684 is about 1126.4739026135.

The spelling of 1429431684 in words is "one billion, four hundred twenty-nine million, four hundred thirty-one thousand, six hundred eighty-four".