94645621 has 16 divisors (see below), whose sum is σ = 113209344. Its totient is φ = 77364144.

The previous prime is 94645619. The next prime is 94645643. The reversal of 94645621 is 12654649.

It is a cyclic number.

It is not a de Polignac number, because 94645621 - 2¹ = 94645619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94645721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70660 + ... + 71986.

It is an arithmetic number, because the mean of its divisors is an integer number (7075584).

Almost surely, 2^94645621 is an apocalyptic number.

It is an amenable number.

94645621 is a deficient number, since it is larger than the sum of its proper divisors (18563723).

94645621 is a wasteful number, since it uses less digits than its factorization.

94645621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its digits is 51840, while the sum is 37.

The square root of 94645621 is about 9728.5981004459. The cubic root of 94645621 is about 455.7221892647.

It can be divided in two parts, 94645 and 621, that added together give a triangular number (95266 = T₄₃₆).

The spelling of 94645621 in words is "ninety-four million, six hundred forty-five thousand, six hundred twenty-one".