202402987 has 8 divisors (see below), whose sum is σ = 209203376. Its totient is φ = 195672672.

The previous prime is 202402903. The next prime is 202403023. The reversal of 202402987 is 789204202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202402987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202400987) 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, 11613 + ... + 23230.

It is an arithmetic number, because the mean of its divisors is an integer number (26150422).

Almost surely, 2^202402987 is an apocalyptic number.

202402987 is a deficient number, since it is larger than the sum of its proper divisors (6800389).

202402987 is a wasteful number, since it uses less digits than its factorization.

202402987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35037.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 202402987 is about 14226.8403730414. The cubic root of 202402987 is about 587.1363551332.

The spelling of 202402987 in words is "two hundred two million, four hundred two thousand, nine hundred eighty-seven".