402011246 has 16 divisors (see below), whose sum is σ = 742174944. Its totient is φ = 159037344.

The previous prime is 402011237. The next prime is 402011249. The reversal of 402011246 is 642110204.

It is a super-2 number, since 2×402011246² = 323226083820945032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402011249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104245 + ... + 1104608.

It is an arithmetic number, because the mean of its divisors is an integer number (46385934).

Almost surely, 2^402011246 is an apocalyptic number.

402011246 is a deficient number, since it is larger than the sum of its proper divisors (340163698).

402011246 is a wasteful number, since it uses less digits than its factorization.

402011246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208875.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 402011246 is about 20050.2181035519. The cubic root of 402011246 is about 738.0391513271.

The spelling of 402011246 in words is "four hundred two million, eleven thousand, two hundred forty-six".