4029894 has 24 divisors (see below), whose sum is σ = 9525672. Its totient is φ = 1221120.

The previous prime is 4029871. The next prime is 4029911. The reversal of 4029894 is 4989204.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9979 + ... + 10374.

It is an arithmetic number, because the mean of its divisors is an integer number (396903).

Almost surely, 2^4029894 is an apocalyptic number.

4029894 is an abundant number, since it is smaller than the sum of its proper divisors (5495778).

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

4029894 is a wasteful number, since it uses less digits than its factorization.

4029894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20372 (or 20369 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4029894 is about 2007.4595886344. The cubic root of 4029894 is about 159.1345721985.

It can be divided in two parts, 402 and 9894, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 4029894 in words is "four million, twenty-nine thousand, eight hundred ninety-four".