1006899390 has 64 divisors (see below), whose sum is σ = 3068651520. Its totient is φ = 230148000.

The previous prime is 1006899373. The next prime is 1006899407. The reversal of 1006899390 is 939986001.

It is an interprime number because it is at equal distance from previous prime (1006899373) and next prime (1006899407).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264486 + ... + 268265.

It is an arithmetic number, because the mean of its divisors is an integer number (47947680).

Almost surely, 2^1006899390 is an apocalyptic number.

1006899390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1006899390 is an abundant number, since it is smaller than the sum of its proper divisors (2061752130).

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

1006899390 is a wasteful number, since it uses less digits than its factorization.

1006899390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532774 (or 532768 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1006899390 is about 31731.6780205523. The cubic root of 1006899390 is about 1002.2945277821.

The spelling of 1006899390 in words is "one billion, six million, eight hundred ninety-nine thousand, three hundred ninety".