928149601 has 4 divisors (see below), whose sum is σ = 976999600. Its totient is φ = 879299604.

The previous prime is 928149581. The next prime is 928149619. The reversal of 928149601 is 106941829.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106941829 = 829 ⋅129001.

It is a cyclic number.

It is not a de Polignac number, because 928149601 - 2¹⁷ = 928018529 is a prime.

It is a super-2 number, since 2×928149601² = 1722923363672918402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (928149631) 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, 24424971 + ... + 24425008.

It is an arithmetic number, because the mean of its divisors is an integer number (244249900).

Almost surely, 2^928149601 is an apocalyptic number.

It is an amenable number.

928149601 is a deficient number, since it is larger than the sum of its proper divisors (48849999).

928149601 is a wasteful number, since it uses less digits than its factorization.

928149601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48849998.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 928149601 is about 30465.5477712120. The cubic root of 928149601 is about 975.4522034732.

The spelling of 928149601 in words is "nine hundred twenty-eight million, one hundred forty-nine thousand, six hundred one".