1035209994 has 32 divisors (see below), whose sum is σ = 2548210560. Its totient is φ = 273022272.

The previous prime is 1035209963. The next prime is 1035209999. The reversal of 1035209994 is 4999025301.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1035209999) 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, 947449 + ... + 948540.

It is an arithmetic number, because the mean of its divisors is an integer number (79631580).

Almost surely, 2^1035209994 is an apocalyptic number.

1035209994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1035209994 is an abundant number, since it is smaller than the sum of its proper divisors (1513000566).

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

1035209994 is a wasteful number, since it uses less digits than its factorization.

1035209994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896014.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1035209994 is about 32174.6793923420. The cubic root of 1035209994 is about 1011.6015482381.

The spelling of 1035209994 in words is "one billion, thirty-five million, two hundred nine thousand, nine hundred ninety-four".