997548038 has 8 divisors (see below), whose sum is σ = 1496740032. Its totient is φ = 498634696.

The previous prime is 997548023. The next prime is 997548073. The reversal of 997548038 is 830845799.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60470 + ... + 75177.

It is an arithmetic number, because the mean of its divisors is an integer number (187092504).

Almost surely, 2^997548038 is an apocalyptic number.

997548038 is a deficient number, since it is larger than the sum of its proper divisors (499191994).

997548038 is a wasteful number, since it uses less digits than its factorization.

997548038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139326.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 997548038 is about 31583.9838842411. The cubic root of 997548038 is about 999.1820104088.

The spelling of 997548038 in words is "nine hundred ninety-seven million, five hundred forty-eight thousand, thirty-eight".