4013438 has 16 divisors (see below), whose sum is σ = 7073136. Its totient is φ = 1683840.

The previous prime is 4013423. The next prime is 4013441. The reversal of 4013438 is 8343104.

It is a super-2 number, since 2×4013438² = 32215369159688, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 6.

It is a congruent number.

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, 6731 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (442071).

Almost surely, 2^4013438 is an apocalyptic number.

4013438 is a deficient number, since it is larger than the sum of its proper divisors (3059698).

4013438 is a wasteful number, since it uses less digits than its factorization.

4013438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14059.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4013438 is about 2003.3566831695. The cubic root of 4013438 is about 158.9176689643.

The spelling of 4013438 in words is "four million, thirteen thousand, four hundred thirty-eight".