902403427 has 4 divisors (see below), whose sum is σ = 902506600. Its totient is φ = 902300256.

The previous prime is 902403421. The next prime is 902403511. The reversal of 902403427 is 724304209.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-902403427 is a prime.

It is a super-2 number, since 2×902403427² = 1628663890122688658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (902403421) 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, 37113 + ... + 56410.

It is an arithmetic number, because the mean of its divisors is an integer number (225626650).

Almost surely, 2^902403427 is an apocalyptic number.

902403427 is a deficient number, since it is larger than the sum of its proper divisors (103173).

902403427 is an equidigital number, since it uses as much as digits as its factorization.

902403427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103172.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 902403427 is about 30040.0304094387. The cubic root of 902403427 is about 966.3480589453.

The spelling of 902403427 in words is "nine hundred two million, four hundred three thousand, four hundred twenty-seven".