2403427 has 4 divisors (see below), whose sum is σ = 2588320. Its totient is φ = 2218536.

The previous prime is 2403419. The next prime is 2403451. The reversal of 2403427 is 7243042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7243042 = 2 ⋅3621521.

It is a cyclic number.

It is not a de Polignac number, because 2403427 - 2³ = 2403419 is a prime.

It is a super-2 number, since 2×2403427² = 11552922688658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2403398 and 2403407.

It is not an unprimeable number, because it can be changed into a prime (2403407) 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, 92427 + ... + 92452.

It is an arithmetic number, because the mean of its divisors is an integer number (647080).

2^2403427 is an apocalyptic number.

2403427 is a deficient number, since it is larger than the sum of its proper divisors (184893).

2403427 is a wasteful number, since it uses less digits than its factorization.

2403427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184892.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 2403427 is about 1550.2990034184. The cubic root of 2403427 is about 133.9502860063.

Adding to 2403427 its reverse (7243042), we get a palindrome (9646469).

The spelling of 2403427 in words is "two million, four hundred three thousand, four hundred twenty-seven".