4007642 has 8 divisors (see below), whose sum is σ = 6021216. Its totient is φ = 2000572.

The previous prime is 4007629. The next prime is 4007657. The reversal of 4007642 is 2467004.

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

It is a super-2 number, since 2×4007642² = 32122388800328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (752652).

Almost surely, 2^4007642 is an apocalyptic number.

4007642 is a deficient number, since it is larger than the sum of its proper divisors (2013574).

4007642 is a wasteful number, since it uses less digits than its factorization.

4007642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4007642 is about 2001.9095883681. The cubic root of 4007642 is about 158.8411318773.

The spelling of 4007642 in words is "four million, seven thousand, six hundred forty-two".