1006402254 has 96 divisors (see below), whose sum is σ = 2465436960. Its totient is φ = 271729920.

The previous prime is 1006402253. The next prime is 1006402273. The reversal of 1006402254 is 4522046001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006402253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271864 + ... + 275540.

It is an arithmetic number, because the mean of its divisors is an integer number (25681635).

Almost surely, 2^1006402254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1006402254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232718480).

1006402254 is an abundant number, since it is smaller than the sum of its proper divisors (1459034706).

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

1006402254 is a wasteful number, since it uses less digits than its factorization.

1006402254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1006402254 is about 31723.8436195868. The cubic root of 1006402254 is about 1002.1295464793.

Adding to 1006402254 its reverse (4522046001), we get a palindrome (5528448255).

The spelling of 1006402254 in words is "one billion, six million, four hundred two thousand, two hundred fifty-four".