390101402 has 4 divisors (see below), whose sum is σ = 585152106. Its totient is φ = 195050700.

The previous prime is 390101399. The next prime is 390101423. The reversal of 390101402 is 204101093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214300321 + 175801081 = 14639^2 + 13259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97525349 + ... + 97525352.

Almost surely, 2^390101402 is an apocalyptic number.

390101402 is a deficient number, since it is larger than the sum of its proper divisors (195050704).

390101402 is a wasteful number, since it uses less digits than its factorization.

390101402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195050703.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 390101402 is about 19750.9848362050. The cubic root of 390101402 is about 730.6776730790.

Adding to 390101402 its reverse (204101093), we get a palindrome (594202495).

The spelling of 390101402 in words is "three hundred ninety million, one hundred one thousand, four hundred two".