1025946906 has 16 divisors (see below), whose sum is σ = 2172593664. Its totient is φ = 321865664.

The previous prime is 1025946899. The next prime is 1025946979. The reversal of 1025946906 is 6096495201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5029050 + ... + 5029253.

It is an arithmetic number, because the mean of its divisors is an integer number (135787104).

Almost surely, 2^1025946906 is an apocalyptic number.

1025946906 is an abundant number, since it is smaller than the sum of its proper divisors (1146646758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025946906 is a wasteful number, since it uses less digits than its factorization.

1025946906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058325.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1025946906 is about 32030.4059605869. The cubic root of 1025946906 is about 1008.5752240084.

The spelling of 1025946906 in words is "one billion, twenty-five million, nine hundred forty-six thousand, nine hundred six".