3906667894 has 8 divisors (see below), whose sum is σ = 6062070960. Its totient is φ = 1885977576.

The previous prime is 3906667883. The next prime is 3906667909. The reversal of 3906667894 is 4987666093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (58), and also a Moran number because the ratio is a prime number: 67356343 = 3906667894 / (3 + 9 + 0 + 6 + 6 + 6 + 7 + 8 + 9 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33678114 + ... + 33678229.

It is an arithmetic number, because the mean of its divisors is an integer number (757758870).

Almost surely, 2^3906667894 is an apocalyptic number.

3906667894 is a deficient number, since it is larger than the sum of its proper divisors (2155403066).

3906667894 is a wasteful number, since it uses less digits than its factorization.

3906667894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67356374.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The square root of 3906667894 is about 62503.3430625915. The cubic root of 3906667894 is about 1574.9574718003.

The spelling of 3906667894 in words is "three billion, nine hundred six million, six hundred sixty-seven thousand, eight hundred ninety-four".