401263246 has 8 divisors (see below), whose sum is σ = 611762184. Its totient is φ = 197342520.

The previous prime is 401263241. The next prime is 401263271. The reversal of 401263246 is 642362104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401263246² = 322024385180913032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401263241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644400 + ... + 1644643.

It is an arithmetic number, because the mean of its divisors is an integer number (76470273).

Almost surely, 2^401263246 is an apocalyptic number.

401263246 is a deficient number, since it is larger than the sum of its proper divisors (210498938).

401263246 is a wasteful number, since it uses less digits than its factorization.

401263246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289106.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 401263246 is about 20031.5562550692. The cubic root of 401263246 is about 737.5811243136.

The spelling of 401263246 in words is "four hundred one million, two hundred sixty-three thousand, two hundred forty-six".