906893247 has 16 divisors (see below), whose sum is σ = 1329914880. Its totient is φ = 546212832.

The previous prime is 906893233. The next prime is 906893257. The reversal of 906893247 is 742398609.

It is not a de Polignac number, because 906893247 - 2⁴ = 906893231 is a prime.

It is a super-2 number, since 2×906893247² = 1644910722908406018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 906893196 and 906893205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906893257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245547 + ... + 249212.

It is an arithmetic number, because the mean of its divisors is an integer number (83119680).

Almost surely, 2^906893247 is an apocalyptic number.

906893247 is a deficient number, since it is larger than the sum of its proper divisors (423021633).

906893247 is a wasteful number, since it uses less digits than its factorization.

906893247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494822.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 906893247 is about 30114.6683030048. The cubic root of 906893247 is about 967.9480650682.

The spelling of 906893247 in words is "nine hundred six million, eight hundred ninety-three thousand, two hundred forty-seven".