2469961 has 4 divisors (see below), whose sum is σ = 2659972. Its totient is φ = 2279952.

The previous prime is 2469953. The next prime is 2469979. The reversal of 2469961 is 1699642.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219961 + 2250000 = 469^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2469961 - 2³ = 2469953 is a prime.

It is a super-2 number, since 2×2469961² = 12201414683042, which contains 22 as substring.

It is a Duffinian number.

2469961 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2469961.

It is not an unprimeable number, because it can be changed into a prime (2469931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94986 + ... + 95011.

It is an arithmetic number, because the mean of its divisors is an integer number (664993).

2^2469961 is an apocalyptic number.

It is an amenable number.

2469961 is a deficient number, since it is larger than the sum of its proper divisors (190011).

2469961 is a wasteful number, since it uses less digits than its factorization.

2469961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190010.

The product of its digits is 23328, while the sum is 37.

The square root of 2469961 is about 1571.6109569483. The cubic root of 2469961 is about 135.1750997232.

The spelling of 2469961 in words is "two million, four hundred sixty-nine thousand, nine hundred sixty-one".