41620639 has 8 divisors (see below), whose sum is σ = 43504992. Its totient is φ = 39742560.

The previous prime is 41620637. The next prime is 41620661. The reversal of 41620639 is 93602614.

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 41620639 - 2¹ = 41620637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41620639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41620633) 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, 16609 + ... + 18949.

It is an arithmetic number, because the mean of its divisors is an integer number (5438124).

Almost surely, 2^41620639 is an apocalyptic number.

41620639 is a deficient number, since it is larger than the sum of its proper divisors (1884353).

41620639 is a wasteful number, since it uses less digits than its factorization.

41620639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 41620639 is about 6451.4059707943. The cubic root of 41620639 is about 346.5529349346.

The spelling of 41620639 in words is "forty-one million, six hundred twenty thousand, six hundred thirty-nine".