2450991 has 16 divisors (see below), whose sum is σ = 3414528. Its totient is φ = 1562400.

The previous prime is 2450989. The next prime is 2450999. The reversal of 2450991 is 1990542.

It is a happy number.

It is not a de Polignac number, because 2450991 - 2¹ = 2450989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7726 + ... + 8036.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

2^2450991 is an apocalyptic number.

2450991 is a deficient number, since it is larger than the sum of its proper divisors (963537).

2450991 is a wasteful number, since it uses less digits than its factorization.

2450991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2450991 is about 1565.5641155826. The cubic root of 2450991 is about 134.8281489584.

It can be divided in two parts, 24 and 50991, that added together give a palindrome (51015).

The spelling of 2450991 in words is "two million, four hundred fifty thousand, nine hundred ninety-one".