401902386 has 8 divisors (see below), whose sum is σ = 803804784. Its totient is φ = 133967460.

The previous prime is 401902357. The next prime is 401902411. The reversal of 401902386 is 683209104.

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

401902386 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33491860 + ... + 33491871.

It is an arithmetic number, because the mean of its divisors is an integer number (100475598).

Almost surely, 2^401902386 is an apocalyptic number.

401902386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401902386 is a wasteful number, since it uses less digits than its factorization.

401902386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66983736.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 401902386 is about 20047.5032360641. The cubic root of 401902386 is about 737.9725278219.

The spelling of 401902386 in words is "four hundred one million, nine hundred two thousand, three hundred eighty-six".