401398248 has 32 divisors (see below), whose sum is σ = 1004002560. Its totient is φ = 133731840.

The previous prime is 401398247. The next prime is 401398253. The reversal of 401398248 is 842893104.

It is a super-2 number, since 2×401398248² = 322241106994939008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401398247) 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, 73368 + ... + 78648.

It is an arithmetic number, because the mean of its divisors is an integer number (31375080).

Almost surely, 2^401398248 is an apocalyptic number.

It is an amenable number.

401398248 is an abundant number, since it is smaller than the sum of its proper divisors (602604312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401398248 is a wasteful number, since it uses less digits than its factorization.

401398248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457 (or 8453 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 401398248 is about 20034.9257048785. The cubic root of 401398248 is about 737.6638329120.

The spelling of 401398248 in words is "four hundred one million, three hundred ninety-eight thousand, two hundred forty-eight".