401740946 has 8 divisors (see below), whose sum is σ = 606095244. Its totient is φ = 199709200.

The previous prime is 401740909. The next prime is 401740961. The reversal of 401740946 is 649047104.

It can be written as a sum of positive squares in 2 ways, for example, as 286929721 + 114811225 = 16939^2 + 10715^2 .

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

It is a super-2 number, since 2×401740946² = 322791575385949832, which contains 22 as substring.

It is a Curzon 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, 580205 + ... + 580896.

Almost surely, 2^401740946 is an apocalyptic number.

401740946 is a deficient number, since it is larger than the sum of its proper divisors (204354298).

401740946 is a wasteful number, since it uses less digits than its factorization.

401740946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161276.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 401740946 is about 20043.4763950768. The cubic root of 401740946 is about 737.8737026305.

The spelling of 401740946 in words is "four hundred one million, seven hundred forty thousand, nine hundred forty-six".