4000146 has 16 divisors (see below), whose sum is σ = 8421600. Its totient is φ = 1263168.

The previous prime is 4000133. The next prime is 4000153. The reversal of 4000146 is 6410004.

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, 17431 + ... + 17658.

It is an arithmetic number, because the mean of its divisors is an integer number (526350).

Almost surely, 2^4000146 is an apocalyptic number.

4000146 is an abundant number, since it is smaller than the sum of its proper divisors (4421454).

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

4000146 is a wasteful number, since it uses less digits than its factorization.

4000146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35113.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4000146 is about 2000.0364996669. The cubic root of 4000146 is about 158.7420365113.

The spelling of 4000146 in words is "four million, one hundred forty-six", and thus it is an aban number.