402691302 has 96 divisors (see below), whose sum is σ = 993248256. Its totient is φ = 117028800.

The previous prime is 402691283. The next prime is 402691351. The reversal of 402691302 is 203196204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311277 + ... + 312567.

It is an arithmetic number, because the mean of its divisors is an integer number (10346336).

Almost surely, 2^402691302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402691302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496624128).

402691302 is an abundant number, since it is smaller than the sum of its proper divisors (590556954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402691302 is a wasteful number, since it uses less digits than its factorization.

402691302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 402691302 is about 20067.1697555983. The cubic root of 402691302 is about 738.4550809882.

The spelling of 402691302 in words is "four hundred two million, six hundred ninety-one thousand, three hundred two".