100402394 has 8 divisors (see below), whose sum is σ = 150840468. Its totient is φ = 50122240.

The previous prime is 100402369. The next prime is 100402409. The reversal of 100402394 is 493204001.

It can be written as a sum of positive squares in 2 ways, for example, as 94809169 + 5593225 = 9737^2 + 2365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37877 + ... + 40440.

Almost surely, 2^100402394 is an apocalyptic number.

100402394 is a deficient number, since it is larger than the sum of its proper divisors (50438074).

100402394 is an equidigital number, since it uses as much as digits as its factorization.

100402394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78960.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 100402394 is about 10020.0995005040. The cubic root of 100402394 is about 464.7806326440.

Adding to 100402394 its reverse (493204001), we get a palindrome (593606395).

The spelling of 100402394 in words is "one hundred million, four hundred two thousand, three hundred ninety-four".