402668607 has 32 divisors (see below), whose sum is σ = 598461696. Its totient is φ = 238784000.

The previous prime is 402668603. The next prime is 402668611. The reversal of 402668607 is 706866204.

It is an interprime number because it is at equal distance from previous prime (402668603) and next prime (402668611).

It is a cyclic number.

It is not a de Polignac number, because 402668607 - 2² = 402668603 is a prime.

It is a super-3 number, since 3×402668607³ (a number of 27 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402668603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308857 + ... + 310157.

It is an arithmetic number, because the mean of its divisors is an integer number (18701928).

Almost surely, 2^402668607 is an apocalyptic number.

402668607 is a deficient number, since it is larger than the sum of its proper divisors (195793089).

402668607 is a wasteful number, since it uses less digits than its factorization.

402668607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 402668607 is about 20066.6042717745. The cubic root of 402668607 is about 738.4412080349.

The spelling of 402668607 in words is "four hundred two million, six hundred sixty-eight thousand, six hundred seven".