10000402 has 4 divisors (see below), whose sum is σ = 15000606. Its totient is φ = 5000200.

The previous prime is 10000379. The next prime is 10000439. The reversal of 10000402 is 20400001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20400001 = 41 ⋅497561.

It can be written as a sum of positive squares in only one way, i.e., 7241481 + 2758921 = 2691^2 + 1661^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500099 + ... + 2500102.

Almost surely, 2^10000402 is an apocalyptic number.

10000402 is a deficient number, since it is larger than the sum of its proper divisors (5000204).

10000402 is an equidigital number, since it uses as much as digits as its factorization.

10000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000203.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 10000402 is about 3162.3412213106. The cubic root of 10000402 is about 215.4463559070.

Adding to 10000402 its reverse (20400001), we get a palindrome (30400403).

The spelling of 10000402 in words is "ten million, four hundred two", and thus it is an aban number.