332897987 has 4 divisors (see below), whose sum is σ = 334351920. Its totient is φ = 331444056.

The previous prime is 332897969. The next prime is 332898019. The reversal of 332897987 is 789798233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789798233 = 7 ⋅112828319.

It is a cyclic number.

It is not a de Polignac number, because 332897987 - 2⁸ = 332897731 is a prime.

It is a super-3 number, since 3×332897987³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332897087) 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, 726623 + ... + 727080.

It is an arithmetic number, because the mean of its divisors is an integer number (83587980).

Almost surely, 2^332897987 is an apocalyptic number.

332897987 is a deficient number, since it is larger than the sum of its proper divisors (1453933).

332897987 is a wasteful number, since it uses less digits than its factorization.

332897987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453932.

The product of its digits is 4572288, while the sum is 56.

The square root of 332897987 is about 18245.4922378104. The cubic root of 332897987 is about 693.0592905565.

The spelling of 332897987 in words is "three hundred thirty-two million, eight hundred ninety-seven thousand, nine hundred eighty-seven".