401858741 has 2 divisors, whose sum is σ = 401858742. Its totient is φ = 401858740.

The previous prime is 401858729. The next prime is 401858747. The reversal of 401858741 is 147858104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251698225 + 150160516 = 15865^2 + 12254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401858741 is a prime.

It is a super-2 number, since 2×401858741² = 322980895436210162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401858695 and 401858704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401858747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200929370 + 200929371.

It is an arithmetic number, because the mean of its divisors is an integer number (200929371).

Almost surely, 2^401858741 is an apocalyptic number.

It is an amenable number.

401858741 is a deficient number, since it is larger than the sum of its proper divisors (1).

401858741 is an equidigital number, since it uses as much as digits as its factorization.

401858741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 401858741 is about 20046.4146669673. The cubic root of 401858741 is about 737.9458132281.

The spelling of 401858741 in words is "four hundred one million, eight hundred fifty-eight thousand, seven hundred forty-one".