4000926 has 8 divisors (see below), whose sum is σ = 8001864. Its totient is φ = 1333640.

The previous prime is 4000907. The next prime is 4000937. The reversal of 4000926 is 6290004.

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

4000926 is an admirable number.

It is a super-3 number, since 3×4000926³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333405 + ... + 333416.

It is an arithmetic number, because the mean of its divisors is an integer number (1000233).

Almost surely, 2^4000926 is an apocalyptic number.

4000926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4000926 is a wasteful number, since it uses less digits than its factorization.

4000926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666826.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4000926 is about 2000.2314866035. The cubic root of 4000926 is about 158.7523536965.

The spelling of 4000926 in words is "four million, nine hundred twenty-six", and thus it is an aban number.