406013761 has 8 divisors (see below), whose sum is σ = 413973504. Its totient is φ = 398065200.

The previous prime is 406013759. The next prime is 406013801. The reversal of 406013761 is 167310604.

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

It is a cyclic number.

It is not a de Polignac number, because 406013761 - 2¹ = 406013759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406013701) 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, 140986 + ... + 143836.

It is an arithmetic number, because the mean of its divisors is an integer number (51746688).

Almost surely, 2^406013761 is an apocalyptic number.

It is an amenable number.

406013761 is a deficient number, since it is larger than the sum of its proper divisors (7959743).

406013761 is a wasteful number, since it uses less digits than its factorization.

406013761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 406013761 is about 20149.7831501979. The cubic root of 406013761 is about 740.4804288330.

The spelling of 406013761 in words is "four hundred six million, thirteen thousand, seven hundred sixty-one".