244661901 has 8 divisors (see below), whose sum is σ = 355871904. Its totient is φ = 148279920.

The previous prime is 244661897. The next prime is 244661903. The reversal of 244661901 is 109166442.

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

It is not a de Polignac number, because 244661901 - 2² = 244661897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 7413997 = 244661901 / (2 + 4 + 4 + 6 + 6 + 1 + 9 + 0 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244661903) 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, 3706966 + ... + 3707031.

It is an arithmetic number, because the mean of its divisors is an integer number (44483988).

Almost surely, 2^244661901 is an apocalyptic number.

It is an amenable number.

244661901 is a deficient number, since it is larger than the sum of its proper divisors (111210003).

244661901 is a wasteful number, since it uses less digits than its factorization.

244661901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414011.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 244661901 is about 15641.6719374880. The cubic root of 244661901 is about 625.4445059748. Note that the first 3 decimals are identical.

The spelling of 244661901 in words is "two hundred forty-four million, six hundred sixty-one thousand, nine hundred one".