244161487 has 8 divisors (see below), whose sum is σ = 252218880. Its totient is φ = 236115480.

The previous prime is 244161479. The next prime is 244161499. The reversal of 244161487 is 784161442.

It is a happy number.

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 244161487 - 2³ = 244161479 is a prime.

It is a super-2 number, since 2×244161487² = 119229663468102338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244161787) 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, 74628 + ... + 77830.

It is an arithmetic number, because the mean of its divisors is an integer number (31527360).

Almost surely, 2^244161487 is an apocalyptic number.

244161487 is a deficient number, since it is larger than the sum of its proper divisors (8057393).

244161487 is a wasteful number, since it uses less digits than its factorization.

244161487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693.

The product of its digits is 43008, while the sum is 37.

The square root of 244161487 is about 15625.6675697392. The cubic root of 244161487 is about 625.0178017330.

The spelling of 244161487 in words is "two hundred forty-four million, one hundred sixty-one thousand, four hundred eighty-seven".