601906149 has 24 divisors (see below), whose sum is σ = 985580960. Its totient is φ = 350907552.

The previous prime is 601906127. The next prime is 601906153. The reversal of 601906149 is 941609106.

601906149 is a `hidden beast` number, since 601 + 9 + 0 + 6 + 1 + 49 = 666.

It is not a de Polignac number, because 601906149 - 2⁹ = 601905637 is a prime.

It is a super-4 number, since 4×601906149⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601906169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133159 + ... + 137604.

Almost surely, 2^601906149 is an apocalyptic number.

It is an amenable number.

601906149 is a deficient number, since it is larger than the sum of its proper divisors (383674811).

601906149 is a wasteful number, since it uses less digits than its factorization.

601906149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270801 (or 270798 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 601906149 is about 24533.7756776245. The cubic root of 601906149 is about 844.3248924198.

The spelling of 601906149 in words is "six hundred one million, nine hundred six thousand, one hundred forty-nine".