2263947 has 12 divisors (see below), whose sum is σ = 3511656. Its totient is φ = 1293600.

The previous prime is 2263939. The next prime is 2263957. The reversal of 2263947 is 7493622.

It is not a de Polignac number, because 2263947 - 2³ = 2263939 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁹ + 6⁸ + 3¹⁰ + 9³ + 4⁴ + 7 .

It is not an unprimeable number, because it can be changed into a prime (2263927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7554 + ... + 7847.

It is an arithmetic number, because the mean of its divisors is an integer number (292638).

2^2263947 is an apocalyptic number.

2263947 is a deficient number, since it is larger than the sum of its proper divisors (1247709).

2263947 is a wasteful number, since it uses less digits than its factorization.

2263947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15418 (or 15411 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 2263947 is about 1504.6418178424. The cubic root of 2263947 is about 131.3072639012.

The spelling of 2263947 in words is "two million, two hundred sixty-three thousand, nine hundred forty-seven".