400000246 has 4 divisors (see below), whose sum is σ = 600000372. Its totient is φ = 200000122.

The previous prime is 400000193. The next prime is 400000261. The reversal of 400000246 is 642000004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000060 + ... + 100000063.

It is an arithmetic number, because the mean of its divisors is an integer number (150000093).

Almost surely, 2^400000246 is an apocalyptic number.

400000246 is a deficient number, since it is larger than the sum of its proper divisors (200000126).

400000246 is a wasteful number, since it uses less digits than its factorization.

400000246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200000125.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400000246 is about 20000.0061499991. The cubic root of 400000246 is about 736.8064507733.

The spelling of 400000246 in words is "four hundred million, two hundred forty-six", and thus it is an aban number.