406142694 has 32 divisors (see below), whose sum is σ = 941783040. Its totient is φ = 129494376.

The previous prime is 406142683. The next prime is 406142701. The reversal of 406142694 is 496241604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162262 + ... + 164745.

It is an arithmetic number, because the mean of its divisors is an integer number (29430720).

Almost surely, 2^406142694 is an apocalyptic number.

406142694 is an abundant number, since it is smaller than the sum of its proper divisors (535640346).

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

406142694 is a wasteful number, since it uses less digits than its factorization.

406142694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327041 (or 327035 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 406142694 is about 20152.9822606978. The cubic root of 406142694 is about 740.5588024154.

The spelling of 406142694 in words is "four hundred six million, one hundred forty-two thousand, six hundred ninety-four".