3126356394 has 16 divisors (see below), whose sum is σ = 7145957568. Its totient is φ = 893244672.

The previous prime is 3126356383. The next prime is 3126356413. The reversal of 3126356394 is 4936536213.

It is a happy number.

3126356394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 74437057 = 3126356394 / (3 + 1 + 2 + 6 + 3 + 5 + 6 + 3 + 9 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37218487 + ... + 37218570.

It is an arithmetic number, because the mean of its divisors is an integer number (446622348).

Almost surely, 2^3126356394 is an apocalyptic number.

3126356394 is an abundant number, since it is smaller than the sum of its proper divisors (4019601174).

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

3126356394 is a wasteful number, since it uses less digits than its factorization.

3126356394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74437069.

The product of its digits is 349920, while the sum is 42.

The square root of 3126356394 is about 55913.8300780764. The cubic root of 3126356394 is about 1462.2203649159.

The spelling of 3126356394 in words is "three billion, one hundred twenty-six million, three hundred fifty-six thousand, three hundred ninety-four".