428381262 has 36 divisors (see below), whose sum is σ = 936665496. Its totient is φ = 141490800.

The previous prime is 428381237. The next prime is 428381263. The reversal of 428381262 is 262183824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428381263) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1078848 + ... + 1079244.

It is an arithmetic number, because the mean of its divisors is an integer number (26018486).

Almost surely, 2^428381262 is an apocalyptic number.

428381262 is an abundant number, since it is smaller than the sum of its proper divisors (508284234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428381262 is a wasteful number, since it uses less digits than its factorization.

428381262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 553 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 428381262 is about 20697.3733116065. The cubic root of 428381262 is about 753.8359102758.

It can be divided in two parts, 42838 and 1262, that added together give a square (44100 = 210²).

The spelling of 428381262 in words is "four hundred twenty-eight million, three hundred eighty-one thousand, two hundred sixty-two".