2401961 has 8 divisors (see below), whose sum is σ = 2546880. Its totient is φ = 2258928.

The previous prime is 2401939. The next prime is 2401967. The reversal of 2401961 is 1691042.

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 2401961 - 2⁶ = 2401897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2401967) 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, 2795 + ... + 3551.

It is an arithmetic number, because the mean of its divisors is an integer number (318360).

2^2401961 is an apocalyptic number.

It is an amenable number.

2401961 is a deficient number, since it is larger than the sum of its proper divisors (144919).

2401961 is a wasteful number, since it uses less digits than its factorization.

2401961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2401961 is about 1549.8261192792. The cubic root of 2401961 is about 133.9230455896.

It can be divided in two parts, 2401 and 961, that multiplied together give a square (2307361 = 1519²).

The spelling of 2401961 in words is "two million, four hundred one thousand, nine hundred sixty-one".