402607601 has 4 divisors (see below), whose sum is σ = 439208304. Its totient is φ = 366006900.

The previous prime is 402607591. The next prime is 402607607. The reversal of 402607601 is 106706204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402607601 - 2⁶ = 402607537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402607607) 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, 18300335 + ... + 18300356.

It is an arithmetic number, because the mean of its divisors is an integer number (109802076).

Almost surely, 2^402607601 is an apocalyptic number.

It is an amenable number.

402607601 is a deficient number, since it is larger than the sum of its proper divisors (36600703).

402607601 is a wasteful number, since it uses less digits than its factorization.

402607601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36600702.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 402607601 is about 20065.0841264122. The cubic root of 402607601 is about 738.4039138275.

The spelling of 402607601 in words is "four hundred two million, six hundred seven thousand, six hundred one".