1616241 has 32 divisors (see below), whose sum is σ = 2585088. Its totient is φ = 887040.

The previous prime is 1616231. The next prime is 1616269. The reversal of 1616241 is 1426161.

It is not a de Polignac number, because 1616241 - 2⁷ = 1616113 is a prime.

It is a super-2 number, since 2×1616241² = 5224469940162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24090 + ... + 24156.

It is an arithmetic number, because the mean of its divisors is an integer number (80784).

2^1616241 is an apocalyptic number.

1616241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1616241 is a deficient number, since it is larger than the sum of its proper divisors (968847).

1616241 is a wasteful number, since it uses less digits than its factorization.

1616241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141.

The product of its digits is 288, while the sum is 21.

The square root of 1616241 is about 1271.3146738711. The cubic root of 1616241 is about 117.3551194552.

The spelling of 1616241 in words is "one million, six hundred sixteen thousand, two hundred forty-one".