401379029 has 4 divisors (see below), whose sum is σ = 403416684. Its totient is φ = 399341376.

The previous prime is 401379023. The next prime is 401379037. The reversal of 401379029 is 920973104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 245079025 + 156300004 = 15655^2 + 12502^2 .

It is a cyclic number.

It is not a de Polignac number, because 401379029 - 2²⁰ = 400330453 is a prime.

It is a super-3 number, since 3×401379029³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401379029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401379023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018532 + ... + 1018925.

It is an arithmetic number, because the mean of its divisors is an integer number (100854171).

Almost surely, 2^401379029 is an apocalyptic number.

It is an amenable number.

401379029 is a deficient number, since it is larger than the sum of its proper divisors (2037655).

401379029 is a wasteful number, since it uses less digits than its factorization.

401379029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037654.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 401379029 is about 20034.4460617208. The cubic root of 401379029 is about 737.6520595775.

The spelling of 401379029 in words is "four hundred one million, three hundred seventy-nine thousand, twenty-nine".