4247641 has 8 divisors (see below), whose sum is σ = 4380768. Its totient is φ = 4116000.

The previous prime is 4247629. The next prime is 4247687. The reversal of 4247641 is 1467424.

4247641 = T₂₈₀ + T₂₈₁ + ... + T₃₆₁.

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

It is a cyclic number.

It is not a de Polignac number, because 4247641 - 2⁵ = 4247609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4247611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8406 + ... + 8896.

It is an arithmetic number, because the mean of its divisors is an integer number (547596).

Almost surely, 2^4247641 is an apocalyptic number.

4247641 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4247641 is a deficient number, since it is larger than the sum of its proper divisors (133127).

4247641 is a wasteful number, since it uses less digits than its factorization.

4247641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its digits is 5376, while the sum is 28.

The square root of 4247641 is about 2060.9805918543. The cubic root of 4247641 is about 161.9506149320.

The spelling of 4247641 in words is "four million, two hundred forty-seven thousand, six hundred forty-one".