30049801 has 4 divisors (see below), whose sum is σ = 30216004. Its totient is φ = 29883600.

The previous prime is 30049739. The next prime is 30049807. The reversal of 30049801 is 10894003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10894003 = 593 ⋅18371.

It can be written as a sum of positive squares in 2 ways, for example, as 1320201 + 28729600 = 1149^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 30049801 - 2⁷ = 30049673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30049807) 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, 82830 + ... + 83191.

It is an arithmetic number, because the mean of its divisors is an integer number (7554001).

Almost surely, 2^30049801 is an apocalyptic number.

It is an amenable number.

30049801 is a deficient number, since it is larger than the sum of its proper divisors (166203).

30049801 is a wasteful number, since it uses less digits than its factorization.

30049801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166202.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30049801 is about 5481.7698784243. The cubic root of 30049801 is about 310.8950925271.

The spelling of 30049801 in words is "thirty million, forty-nine thousand, eight hundred one".