30401955 has 24 divisors (see below), whose sum is σ = 53295840. Its totient is φ = 16030080.

The previous prime is 30401911. The next prime is 30401963. The reversal of 30401955 is 55910403.

It is not a de Polignac number, because 30401955 - 2⁹ = 30401443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (2220660).

Almost surely, 2^30401955 is an apocalyptic number.

30401955 is a deficient number, since it is larger than the sum of its proper divisors (22893885).

30401955 is a wasteful number, since it uses less digits than its factorization.

30401955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691 (or 7688 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 30401955 is about 5513.7967862445. The cubic root of 30401955 is about 312.1048402600.

The spelling of 30401955 in words is "thirty million, four hundred one thousand, nine hundred fifty-five".