1006424402 has 4 divisors (see below), whose sum is σ = 1509636606. Its totient is φ = 503212200.

The previous prime is 1006424401. The next prime is 1006424411. The reversal of 1006424402 is 2044246001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2044246001 = 7 ⋅292035143.

It can be written as a sum of positive squares in only one way, i.e., 849197881 + 157226521 = 29141^2 + 12539^2 .

It is not an unprimeable number, because it can be changed into a prime (1006424401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251606099 + ... + 251606102.

Almost surely, 2^1006424402 is an apocalyptic number.

1006424402 is a deficient number, since it is larger than the sum of its proper divisors (503212204).

1006424402 is an equidigital number, since it uses as much as digits as its factorization.

1006424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503212203.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1006424402 is about 31724.1926926439. The cubic root of 1006424402 is about 1002.1368977487.

The spelling of 1006424402 in words is "one billion, six million, four hundred twenty-four thousand, four hundred two".