1046449690 has 96 divisors (see below), whose sum is σ = 2244557952. Its totient is φ = 348192000.

The previous prime is 1046449669. The next prime is 1046449697. The reversal of 1046449690 is 969446401.

It is a super-2 number, since 2×1046449690² = 2190113907402192200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1046449697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3364635 + ... + 3364945.

It is an arithmetic number, because the mean of its divisors is an integer number (23380812).

Almost surely, 2^1046449690 is an apocalyptic number.

1046449690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1046449690 is an abundant number, since it is smaller than the sum of its proper divisors (1198108262).

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

1046449690 is a wasteful number, since it uses less digits than its factorization.

1046449690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1046449690 is about 32348.8746326669. The cubic root of 1046449690 is about 1015.2495006532.

The spelling of 1046449690 in words is "one billion, forty-six million, four hundred forty-nine thousand, six hundred ninety".